Simplify: -5 + 3(-2 + 7).
AEquals -1
BEquals 25
CEquals 10
DEquals 0
Answer & Solution
Correct answer: C. Equals 10
1. Simplify inside the parentheses first: -2 plus 7 equals 5.
2. Multiply: 3 times 5 equals 15.
3. Add left to right: -5 plus 15 equals 10.
_Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 1 "Foundations", section 1.3 Add and Subtract Integers_
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