-6x+6y=6 -6x+3y=-12 solve by elimination

Answer 1

-6x+6y=6
-6x+3y=-12
First, get rid of all those common factors, giving you
-x+y = 1
-2x+y = -4
Since y = x+1,
-2x + x+1 = -4
x = 5
so y = x+1 = 6