Question

calcule o x, sabendo que a // b // c.​

Answer 1

Explicação passo-a-passo:

a)

$\frac{6 - x}{3} = \frac{x}{6} \\\\ 6(6 - x) = 3x \\\ - 6x + 36 = 3x \\\ - 6x - 3x = - 36 \\\ - 9x = - 36 \\\ x = \frac{36}{9} \\\\ x = 4$

b)

$\frac{10 - 6}{8 - x} = \frac{6}{x} \\\\ \frac{4}{8 - x} = \frac{6}{x} \\\\ 4x = 6(8 - x) \\\ 4x = 48 - 6x \\\ 4x + 6x = 48 \\\ 10x = 48 \\\ x = \frac{48}{10} \\\\ x = 4,8$

Espero ter ajudado.