Question

Х-12 под чертой дроби Х-4 = 3/5

Answer 1

$frac{x-12}{x-4}=frac{3}{5}|*(5(x-4)neq0, xneq4\\5(x-12)=3(x-4)\5x-60=3x-12\5x-3x=60-12\2x=48\x=48:2\x=24$