Question

Решите уравнение:
2(x+5)- 3(x-2)=10
2(5-x)-5(2x-3)=1
5(x-1)+5(3x+2)=6x+8
44-10(3-4x)=7(5x+2)

Answer 1

1) 2х+10-(3х-6)=10; 2х+10-3х+6=10; 16-х=10; х=16-10; х=6
2) 10-2х-(10х-15)=1; 10-2х-10х+15=1; 25-12х=1; 12х=25-1; 12х=24; х=24:12; х=2
3) 5х-5+15х+10=6х+8; 20х-6х=8+5-10; 14х=3; х=3\14
4) 44-(30-40х)=35х+14; 44-30+40х=35х+14; 40х-35х=14+30-44; 5х=0; х=0