Question

Which answer choice represents an equivalent number sentence of "18 - 30"?

A. -18 + 30
B. 18 + 30
C. 18 + (-30)
D. 12

Answer 1

Pretty sure it’s C. 18-30=-12 . And 18+(-30)= -12

Answer 2

hey there mate, i'll try and explain it to you. the question is asking what number is equivalent to to 18-30. the answer is -12. so therefore, the answer is C.

tldr: answer is C causw both question and answer is -12