Question

y + 3y = 20 d) (y − 5) : 3 = 11 me ajudem pf

Answer 1

Resposta:

y + 3y = 20

4y = 20

y = 20/4 = 5

(y - 5)/3 = 11

y - 5 = 33

y = 33 + 5 = 38