Question

Решите уравнение:
2х+17=22+3х;
25-4х=12-5х;
х=2/3х+1;
х-1/2=3/4х.

Answer 1

3x-2x = 22-17
1x=5
x=5

Answer 2

2х+17=22+3х
2х-3х=22-17
-х=5
х=5

25-4х=12-5х
-4х+5х=12-25
х=13

х=2/3х+1 |х3
3х=2х+3
3х-2х=3
х=3

х-1/2=3/4х  |х4
4х-2=3х
4х-3х=2
х=2