Question

Помогите!!! Решите уравнения: с 0,3(4,9+х)=16,2 до: 2,4(33-х)=64,2

Answer 1

1.47+0.3х=16.2 0.3х = 16.2 -1.47 0.3х = 14.73 х= 14.73 ÷ 0.3 х = 49.1 79.2 -2.4х=64.2 2.4х =79.2 - 64.2 2.4х =15 Х = 15 ÷2.4 Х = 6.25