Question

реши уравнение 5,6/3х+12=0,4/3

Answer 1

$frac{5,6}{3x+12} = frac{0,4}{3} \ frac{5,6}{3x+12} - frac{0,4(x+4)}{3x+12} = 0 \ frac{5,6-0,4x-1,6}{3x+12} =0 \ 4-0,4x=0 \ -0,4x=-4\ x=10$