Question

x/2-7=x/4+5 alguém me salva

Answer 1

$\frac{x}{2} - 7 = \frac{x}{4} + 5$
Iguala as bases
$\frac{2x}{4} - \frac{28}{4} = \frac{x}{4} + \frac{20}{4}$
bases iguais, pode tirar elas
$2x - 28 = x + 20 \\ x = 48$