Question

Solve 3(a+1)=4(a-1)+12​

Answer 1

Answer:

answer is attached please mark as brainliest

Answer 2

Answer:

$3(a + 1) = 4(a - 1) + 12 \\ 3a + 3 = 4a - 4 + 12 \\ = 3a - 4a + 3 + 4 -12 \\ = - 1a + 7 - 12 \\ = - 1a - 5 \\ - 1a = 5 \\ a = - 5$