Question
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Tutor-Verified Answer
Answer
The result is
.
Solution
Calculate or simplify the expression
.
Calculate the value by following steps:
Calculate the value by following steps:
- step0: Calculate:
- step1: Remove the parentheses:
- step2: Add the numbers:
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Extra Insights
The calculation of
results in
. When you add a positive number (3) to a negative number (-7), you’re essentially moving up the number line from -7 towards 0. Think of it as stepping back into a less negative territory!
In case this feels a bit abstract, imagine you owe someone 7 dollars (that’s your -7), and then you manage to pay them back 3 dollars. You’re still in debt, but now you owe just 4 dollars, so your new position is -4!