2 х+17=22+3 х

18+3 х=х+14

25-4 х=12-5 х

13 х+27=16 х+4,5

21 х+45=17+14 х

13 х+70=2 х+15

2x+17 = 22+3x

2x-3x = 22-17

-x = 5

x = - 5

18+3x = x+14

3x-x = 14-18

2x = - 4

x = - 2

25-4x = 12-5x

-4x+5x = 12-25

x = - 13

13x+27 = 16x+4,5

13x-16x = 4,5-27

-3x = - 22,5

x = 7,5

21x+45 = 17+14x

21x-14x = 17-45

7x = - 28

x = - 4

13x+70 = 2x+15

13x-2x = 15-70

11x = - 55

x = - 5