Question

Determine o valor de x
5
10
15
20
25

Answer 1

$\frac{8}{(x + 1)} = \frac{12}{(2x - 6)}$

$16x - 48 = 12x + 12$

$16x - 12x = 12 + 48$

$4x = 60$

$x = \frac{60}{4}$

$x = 15$