Question
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Tutor-Verified Answer
Answer
The final answer is 21.
Solution
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Start with the expression:
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Apply the order of operations. First, perform the division:So the expression becomes:
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Next, perform the multiplication:Now the expression is:
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Subtracting a negative is the same as adding:
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Finally, compute the sum:
Thus, the final answer is:
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The Deep Dive
To solve
, we need to follow the order of operations, often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)).
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First, handle the division:
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Next, handle the multiplication:
Now substitute these values back into the expression:
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Perform the addition:
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Finally, perform the subtraction:
Therefore, the result is
.