Question

Помогите решить, дам 10 баллов

Answer 1

1. 4х+12-6+2х-х-4=5х+2
2. 5х+10-12+3х-3х-5х-2=-4
3. 3х+15-20+5х-х-3=7х-8
4. 5х+15-2+2х-7х-2=11
5. 3х+12-1+х-4х-3=8
6. 5х+10-10+5х-х-1=9х-1
7. 2х+2-6+2х-4х-5=-9
8. Х+1-3+х-х-1=х-3
9. 4х+4-16+4х-8х-3=-15
10. 5х+25-15+5х-х-1=9х+9