Question

x+x/5 = 84 qual eh op valor de x ???

Answer 1

Resposta:

$x + \frac{x}{5} = 84 \\ \\ 5x + x = 420 \\ \\ 6x = 420 \\ \\ x = \frac{420}{6} \\ \\ x = 70.$

Answer 2

Explicação passo-a-passo:

$x + \frac{x}{5} = 84$

$\frac{5x + 5}{5} = 84$

$6x = 5 \times 84$

$6x = 420$

$x = \frac{420}{6}$

$x = 70$