The equation is 16y - 20y = 40, what is y?

Answer 1

16y-20y=40

-4y=40 (notice it is negative 4)

/-4 /-4 (divide both sides by -4)

y=-10 (neg divided by pos equals neg)

Answer 2

16y-20y = -4y = 40

divide by -4

y = -10