Question

06 - Calcule x, sabendo que al/bl/c.​

Answer 1

Resposta:

x = 6 e x = 9

Explicação passo-a-passo:

$\frac{x}{8} = \frac{3}{4}$

4x = 3*8

4x = 24

 x = $\frac{24}{4}$

x = 6

$\frac{2x - 2}{3x + 1} = \frac{4}{7}$

7*(2x - 2) = 4*(3x + 1)

14x - 14 = 12x + 4

14x - 12x = 4 + 14

2x = 18

x = $\frac{18}{2}$

x = 9