Question

determine o valor de x​

Answer 1

Resposta:

x = 5

Explicação passo-a-passo:

$\frac{3x + 1}{5x - 1} = \frac{4}{6} => 6(3x + 1) = 4(5x - 1) => 18x + 6 = 20x -4 => \\18x - 20x = - 4 - 6=> -2x = -10 => x=\frac{-10}{-2} = x = 5$