w = 3y + 3z Subtract 3z from both sides
w - 3z = 3y Divide both sides by 3
w - 3z / 3 = y Switch the sides to make it easier to read
y = w - 3z / 3
w = 3y + 3z Subtract 3y from both sides
w - 3y = 3z Divide both sides by 3
w - 3y / 3 = z Switch the sides to make it easier to read
z = w - 3y / 3