Question

Solve each system by elimination.
2x-8y=-30
-2x-8y=-18

Answer 1

add the both equations which gives u
-16y= -48
y= -48/-16
y=3

Answer 2

now subsitute y in any equation... i would go for 2nd which gives
-2x-24= -18
-2x= 24-18
-2x= 6
x= 6/-2
x= -3
so y= 3 and x= -3