1)2х+17=22+3х
2x – 3x = 22 – 17
-x = 5
x = -5
2)13х+27=16х+4.5
13x – 16x = 4,5 – 27
-3x = -22.5
x = 7.5
3)13х+70=2х+15
13x – 2x = 15 – 70
11x = -55
1)2х+17=22+3х 2x – 3x = 22 – 17 -x = 5 x = -5 2)13х+27=16х+4.5 13x – 16x = 4,5 – 27 -3x = -22.5 x = 7.5 3)13х+70=2х+15 13x – 2x = 15 – 70 11x = -55 x = -5
1)2х+17=22+3х
2x – 3x = 22 – 17
-x = 5
x = -5
2)13х+27=16х+4.5
13x – 16x = 4,5 – 27
-3x = -22.5
x = 7.5
3)13х+70=2х+15
13x – 2x = 15 – 70
11x = -55
x = -5
1)2х+17=22+3х 2x – 3x = 22 – 17 -x = 5 x = -5 2)13х+27=16х+4.5 13x – 16x = 4,5 – 27 -3x = -22.5 x = 7.5 3)13х+70=2х+15 13x – 2x = 15 – 70 11x = -55 x = -5