Question

Calcule o valor de de x

Answer 1

Resposta:

x = 7,5

y = 4,5

Explicação passo a passo:

$\frac{5}{3} = \frac{x}{y} \\\\\frac{5+3}{3} = \frac{x+y}{y} \\\\\frac{8}{3} = \frac{12}{y} \\\\8y = 36\\\\y = 4,5$

Logo, 4,5 + x = 12

x = 7,5