For the following system, if you isolated x in the first equation to use the substitution method, what expression would you substitute into the second
equation?
-x+2y=-6
3x+y=8
O-2y+6
021-6
02y+6
O-2y-6

For the following system if you isolated x in the first equation to use the substitution method what expression would you substitute into the second equation x2 class=