Answer :
y = 3x - 2....so we sub in 3x - 2 for y in the other equation
-3x + y = -2
-3x + (3x - 2) = -2
-3x + 3x = -2 + 2
0 = 0
there is infinite solutions to this problem
-3x + y = -2
-3x + (3x - 2) = -2
-3x + 3x = -2 + 2
0 = 0
there is infinite solutions to this problem