2y = 15
y = 15/2
y = 7.5
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For y - 2y - 3y equals 0, y equals 0.
2y = 4 (divide both sides by 2 to solve) y = 2
3x-2y=6 -2y=-3x+6 y=1.5x-3
2y + 4 = 3ySubtract 2y from both sides:4 = ywhew
3x-2y = 5 -2y = -3x+5 y = 1.5x-2.5 in slope intercept form