Question

A student evaluated -4 + x for x = -9 and got an answer of 5. What might the student have done wrong?

Answer 1

thought the -9 was actually positive 9

Answer 2

How

Answer 3

-4 + (-9) i equal to -13
if the 9 was positive then -4 +9 rearranged is 9-4 which equals to 5

Answer 4

Is that the answer

Answer 5

i believe it is

Answer 6

Thank you so much

Answer 7

no problem