Question

Qual O Cálculo de : 7 (9x+3x)=168

Answer 1

Resposta:

x = 2

Explicação passo-a-passo:

$\diagup\!\!\!\!7^{\div7} \: (9x+3x)=\diagup\!\!\!\!\!\!\!\!168^{\div7}\\9x+3x=24\\12x=24\\x=\frac{24}{12} \\\boxed{x=2}$