Question

|3a +12| / 9 = 0

*i got an answer of a = -4, i need confirmation that my answer is correct and if there are any other solutions*

Answer 1

i got -4 too

Explanation:

((3 × -4) + 12) / 9 = 0

-12 + 12 / 9 = 0

0/9 = 0