Question

calcule o valor de x: 4x+1/x+2 16/18

Answer 1

Vou considerar:

$\frac{4x + 1}{x + 2} = \frac{16}{18} \\ 18(4x + 1) = 16(x + 2) \\ 72x + 18 = 16x + 32 \\ 72x - 16x = 32 - 18 \\ 56x = 14 \\ x = \frac{14}{56} \\ x = \frac{1}{4}$