Question

a) 8x + 12x =
b) -5y + 4y =
c) 12wz - 15wz =
d) 7p + 8p - 16p =
e) 4r + 4r + 4r =
f) 5s - 5s =​

Answer 1

Vamos lá.

a) 20x
b) -y
c) -3wz
d) -p
e) 12r
f) 0