Respuesta :
combine like terms
remember you can do anything to an equation as long as you do it to both sides
-7y+4=18
mins 4 both sides
-7y=14
divide by -7 both sides
y=-2
remember you can do anything to an equation as long as you do it to both sides
-7y+4=18
mins 4 both sides
-7y=14
divide by -7 both sides
y=-2