Question

resolva os problemas
x/2+x/3+x/4=13​

Answer 1

Resposta:

S = {12}

Explicação passo-a-passo:

$\frac{x}{2} + \frac{x}{3} + \frac{x}{4} = 13 \\ \frac{6x + 4x + 3x}{12} = \frac{156}{12} \\ 6x + 4x + 3x = 156 \\ 13x = 156 \\ x = \frac{156}{13} \\ x = 12$