д)13x+15x-24=60

Question

д)13x+15x-24=60

Answer 1

д)13х+15х-24=60, 28х=60+24, 28х=84, х=84:28,х=3. ПРОВЕРКА:13*3+15*3-24=60, 39+45-24=60,60=60.

Answer 2

13x+15x-24=60

28x=84

x=3