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Equations with variables on bo
khanacademy.org/math/cc-eighth-grade-math/cc-8th-solving-equations/variables-on-both-sides/e/linear_equations_3
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Lesson 1: Equations with variables on both sides
Intro to equations with variables on…
Equations with variables on both si…
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Equation with variables on both sid…
Equations with variables on both si…
Equations with variables on both sides
Solve for
Intro to equations with variables on both sides
Equations with variables on both sides:
khanacademy.org/math/cc-eighth-grade-math/.../equations-3
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Math Lesson 1, i-Ready
Equations with variables on bo
khanacademy.org/math/cc-eighth-grade-math/cc-8th-solving-equations/variables-on-both-sides/e/linear_equations_3
Explore
Search
Khan Academy
Donate
14440
Your last streak ended, so let’s start building a new one today.
week
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Level 2
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Lesson 1: Equations with variables on both sides
Equations with variables on both si…
Not started
Equation with variables on both sid…
Intro to equations with variables on both sides
khanacademy.org/math/cc-eighth-grade-math/.../equations-3
Do 4 problems
Check
Ask by Watson Wells. in the United States
Jan 23,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
Solution
Sure, let’s solve the equation step by step.
Given Equation:
Step 1: Get all terms containing
Subtract
Step 2: Move the constant term to the other side.
Add 15 to both sides to isolate the term with
Step 3: Solve for
Divide both sides by 2:
Answer:
Verification:
Let’s plug
Both sides are equal, confirming that
Answered by UpStudy AI and reviewed by a Professional Tutor
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Did you know that algebra has ancient roots? The word “algebra” comes from the Arabic term “al-jabr,” which means “reunion of broken parts.” Persian mathematician Muhammad ibn Musa al-Khwarizmi, often regarded as the father of algebra, wrote the groundbreaking work “Al-Kitab al-Mukhtasar fi Hisab al-Jabr wal-Muqabala” in the 9th century! Talk about a cool history lesson—math has been uniting variables for centuries!
Speaking of variables, solving equations with variables on both sides can be tricky! A common mistake is forgetting to perform the same operation on both sides of the equation. For example, if you’re solving
