Answer:
hold on...
Step-by-step explanation:
i think
you multiply second equation by 2
12x-8y=12
12x+8y= -60
then you add
which is
24x=72
then you do 24 ÷24
and 72÷24 which is 3
so x is 3
then substitute x
so 12x(3) +8y=12
36+8y=12
then 8y - 8 and 12-8
so 36÷36 and 4÷36
so y is 9
