Respuesta :

charstar
y-3=-3y-43
4y-3=-43
4y=-46
y=-11.5
Karima6
y - 3 = -3y - 43

Add 3y to both sides:
4y - 3 = -43

Add 3 to both sides:
4y = -40

Divide both sides by 4:
y = -10

Hope it helped :)