3x-2y=-2 -x+3y=-4 pakek jln

3x - 2y = -2 . -x + 3y = -4
-x + 3y = -4 berarti x = 3y + 4

substitusi nilai x
3(3y+4) - 2y = -2
9y +12 - 2y = -2
7y = -14
y = -2

x = 3y + 4
x = 3(-2) + 4
x = -2

semoga bermanfaat ...