tolong dibantu ...pake cara kerjanya

2y = -x + 5
y = (-x + 5)/2
y = -1/2x + 5/2
x +2y -5 = 0
2) 4x = y - 3
y = 4x + 3
4x - y + 3 = 0
3) 5x = 2 -3 y
3y = -5x + 2
y = (-5x + 2)/3
y = -5/3x + 2/3
5x + 3y -2 = 0