Question

As retas a, b e c são paralelas. Determine o valor de x.

Answer 1

$\frac{x}{1} = \frac{6x+30}{16} \\ \\16\cdot x=1\cdot (6x+30)\\ \\16x=6x+30\\ \\16x-6x=30\\ \\10x=30\\ \\x=\frac{30}{10}\\ \\x=3$