Question

5. (x÷3+5÷3)=100 alguém me ajuda?

Answer 1

5(x/3 + 5/3) = 100 => 5(x+5/3) = 100

-> Calcular o MMC = 15 (x+5) = 300 => 15x + 75 = 300

15x + 75 = 300
15x = 225

R: x = 225/15 = 15