For y - 2y - 3y equals 0, y equals 0.
2y = 4 (divide both sides by 2 to solve) y = 2
2y = 15 y = 15/2 y = 7.5
2y + 4 = 3ySubtract 2y from both sides:4 = ywhew
3x-2y=6 -2y=-3x+6 y=1.5x-3
-2y = 10 2y = -10 y = -5
For y - 2y - 3y equals 0, y equals 0.
2y = 4 (divide both sides by 2 to solve) y = 2
2y-3x=4
2y = 4x + 4y = 2x + 2
2y = 15 y = 15/2 y = 7.5
2y + 4 = 3ySubtract 2y from both sides:4 = ywhew
3x-2y=6 -2y=-3x+6 y=1.5x-3
get it to y= -2y = 1 - 2x y = x - 0.5
3x + 2y = 12 ie 2y = 12 - 3x so y = 6 - 3x/2
-2x - 2y = -122x + 2y = 122y = 12 - 2xy = 6 - x
2y - 9x = 14 2y = 14 + 9x y = (14 + 9x) / 2