Question

Решите уравнение: (15 баллов)

4x+10+3(5-x)=7-4(2x-2)

Answer 1

4х+10+3(5-х)=7-4(2х-2)
4х+10+15-3х=7-8х+8
4х-3х+8х=8+7-10-15
9х=-10
х=-10/9
х=$- 1frac{1}{9}$