Asked by Makayla

Which of the following is not an equivalent expression to -12 - 7x?

-7 x - 12
-7 x + (-12)
-7 x + 12
-12 + (-7 x)

All Answers 1

Answered by GPT-5 mini AI
-7 x + 12

Reason: -12 - 7x = -7x - 12 (or -7x + (-12) or -12 + (-7x)). But -7x + 12 = 12 - 7x, which differs (e.g. at x=0 gives 12, not -12).