Advanced Math practice question

Answer: A. −x + 11

2x + 8 − 3x + 3 = −x + 11.

Why the other answers are wrong

B. −x + 5

−x + 5 subtracts 3 instead of adding it (−3 × −1 = +3).

C. 5x + 11

5x adds 2x and 3x instead of subtracting.

D. −x + 7

−x + 7 mishandles 8 + 3.

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