Question

Determine o valor da proporçao x+2/4=42/14

Answer 1

Resposta:

$\frac{x + 2}{4} = \frac{42}{14} \\ \\ \frac{x + 2}{4} = 3 \\ \\ x + 2 = 4 \times 3 \\ \\ x + 2 = 12 \\ \\ x = 12 - 2 \\ \\ \orange{x = 10}$

Bons Estudos!