Question

descubra o valor de m:[(100÷5+3m)×3]÷6=22.URGENTE!

Answer 1

Vejamos:

[(100 ÷ 5 + 3m) x 3] ÷ 6 = 22
[(20 + 3m) x 3] ÷ 6 = 22
[60 + 9m] ÷ 6 = 22
60 + 9m = 22 x 6
60 + 9m = 132
9m = 132 - 60
9m = 72
m = 72/9
m = 8