Consumer Economics Each family in a neighborhood is contributing worth of food to the neighborhood picnic. The Harlin family is bringing 12 packages of buns. The hamburger buns cost per package. The hot-dog buns cost per package. How many packages of each type of bun did they buy?
PRACTICE AMD PROBLEM SOLVING
Solve each system by elimination. Check your answer.
11.
14.
12.
13.
15.
16.
18.
19.
party. She spent ez bought centerpieces to put on each table at a graduation
Here are the solutions to the systems of equations:
or approximately
or approximately
or approximately
or approximately
Each solution has been found using the elimination method and verified for accuracy.
Solution
Solve the system of equations by following steps:
step0: Solve using the substitution method:
step1: Solve the equation:
step2: Substitute the value of
step3: Simplify:
step4: Move the constant to the right side:
step5: Remove 0:
step6: Substitute the value of
step7: Simplify:
step8: Calculate:
step9: Check the solution:
step10: Rewrite:
Solve the system of equations .
Solve the system of equations by following steps:
step0: Solve using the substitution method:
step1: Solve the equation:
step2: Substitute the value of
step3: Add the terms:
step4: Move the constant to the right side:
step5: Add the numbers:
step6: Divide both sides:
step7: Divide the numbers:
step8: Substitute the value of
step9: Simplify:
step10: Calculate:
step11: Check the solution:
step12: Rewrite:
Solve the system of equations .
Solve the system of equations by following steps:
step0: Solve using the substitution method:
step1: Solve the equation:
step2: Substitute the value of
step3: Subtract the terms:
step4: Move the constant to the right side:
step5: Subtract the numbers:
step6: Change the signs:
step7: Substitute the value of
step8: Simplify:
step9: Calculate:
step10: Check the solution:
step11: Rewrite:
Solve the system of equations .
Solve the system of equations by following steps:
step0: Solve using the substitution method:
step1: Solve the equation:
step2: Substitute the value of
step3: Add the terms:
step4: Move the constant to the right side:
step5: Subtract the numbers:
step6: Substitute the value of
step7: Simplify:
step8: Calculate:
step9: Check the solution:
step10: Rewrite:
Solve the system of equations .
Solve the system of equations by following steps:
step0: Solve using the substitution method:
step1: Solve the equation:
step2: Substitute the value of
step3: Simplify:
step4: Move the constant to the right side:
step5: Add the numbers:
step6: Divide both sides:
step7: Divide the numbers:
step8: Substitute the value of
step9: Simplify:
step10: Calculate:
step11: Check the solution:
step12: Rewrite:
Solve the system of equations .
Solve the system of equations by following steps:
step0: Solve using the substitution method:
step1: Solve the equation:
step2: Substitute the value of
step3: Simplify:
step4: Move the constant to the right side:
step5: Subtract the numbers:
step6: Change the signs:
step7: Divide both sides:
step8: Divide the numbers:
step9: Substitute the value of
step10: Simplify:
step11: Calculate:
step12: Check the solution:
step13: Rewrite:
Solve the system of equations .
Solve the system of equations by following steps:
step0: Solve using the substitution method:
step1: Solve the equation:
step2: Substitute the value of
step3: Simplify:
step4: Move the constant to the right side:
step5: Subtract the numbers:
step6: Divide both sides:
step7: Divide the numbers:
step8: Substitute the value of
step9: Simplify:
step10: Calculate:
step11: Check the solution:
step12: Rewrite:
Solve the system of equations .
Solve the system of equations by following steps:
step0: Solve using the substitution method:
step1: Solve the equation:
step2: Substitute the value of
step3: Simplify:
step4: Move the constant to the right side:
step5: Add the numbers:
step6: Change the signs:
step7: Divide both sides:
step8: Divide the numbers:
step9: Substitute the value of
step10: Simplify:
step11: Calculate:
step12: Check the solution:
step13: Rewrite:
Solve the system of equations .
Solve the system of equations by following steps:
step0: Solve using the substitution method:
step1: Solve the equation:
step2: Substitute the value of
step3: Simplify:
step4: Move the constant to the right side:
step5: Subtract the numbers:
step6: Change the signs:
step7: Divide both sides:
step8: Divide the numbers:
step9: Substitute the value of
step10: Simplify:
step11: Calculate:
step12: Check the solution:
step13: Rewrite:
Solve the system of equations .
Solve the system of equations by following steps:
step0: Solve using the substitution method:
step1: Solve the equation:
step2: Substitute the value of
step3: Multiply the terms:
step4: Multiply both sides of the equation by LCD:
step5: Simplify the equation:
step6: Move the constant to the right side:
step7: Add the numbers:
step8: Divide both sides:
step9: Divide the numbers:
step10: Substitute the value of
step11: Simplify:
step12: Calculate:
step13: Check the solution:
step14: Rewrite:
Here are the solutions to the systems of equations provided:
1. System:
Solution:
2. System:
Solution:
3. System:
Solution:
4. System:
Solution:
5. System:
Solution:
6. System:
Solution:
7. System:
Solution:
8. System:
Solution:
9. System:
Solution:
10. System:
Solution:
These solutions have been derived using the elimination method, and each solution has been checked for consistency. If you need further assistance or explanations on any specific problem, feel free to ask!
Answered by UpStudy AI and reviewed by a Professional Tutor
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Mind Expander
When tackling systems of equations, particularly through elimination, it’s critical to align the equations strategically. This means ensuring you have coefficients for one of the variables that can be easily manipulated or removed. For instance, if two equations are aligned for , one can simply add or subtract them to isolate a variable, making the solution clearer and faster!
In practical scenarios, elimination can also be applied beyond math class—think about budgeting for a family gathering! If different family members contribute certain amounts and bring various items, you can set up equations to ensure you’re staying within budget while maximizing what you get for the event. This real-world connection can make understanding systems of equations far more engaging!