Question

12x/3y=24 (para y=5)

Answer 1

$\frac{12x}{3y} =24$

$\frac{12x}{3*5} =24$

$\frac{12x}{15} =24$

$12x=24*15$

$12x=360$

$x=\frac{360}{12}$

$x=30$