Write it normally, as a fraction, and then come back
Nope. PEMDAS makes it 12/2(3) or 12/6 which is 2
12÷2a= 12 --------=18 2a 6/a=18 6=18a 6/18=a=1/3 ≠ (2+1) So, no, the indicated answer is not correct. 12÷2a= 6÷a = 2 when a = 3 = (2+1)
@zavasterism