Question

Simplify this expression: 13 + (–12) – (–5) = ? A. 30 B. –30 C. –6 D. 6

Answer 1

D.) 6 

because (-12) - (-5) = 7

13+ -7= 6

Answer 2

$13 + (-12) - (-5) \\ \\ 13 - 12 + 5 \\ \\ 6 \\ \\ Answer: \fbox {6}$