Question

calcule mentalmente o valor de x
4x+3/5 =1

Answer 1

Resposta:

$\frac{4x + 3}{5} = \frac{1}{1} \\ 4x + 3 = 5 \\ 4x = 5 - 3 \\ 4x = 2 \\ x = \frac{2}{4} \\ x = 0.5$