1) 20x+2x+2x+2=24x20x + 40 = 24x40 = 4xx = 10
2) 6x+2x+2x+2=8x−2x-2x−2 6x + 12 = 8x - 1628 = 2xx = 14
3) 1522−x22-x22−x=1322+x22+x22+x 330 - 15x = 286 + 13x44 = 28xx = 1.57
4) 36x=48x−2x-2x−2 36x = 48x - 9696 = 12xx = 8
5) 60x-25x=42035x = 420x = 12
Ответ: x = 10, x = 14, x = 1.57, x = 8, x = 12.
1) 20x+2x+2x+2=24x
20x + 40 = 24x
40 = 4x
x = 10
2) 6x+2x+2x+2=8x−2x-2x−2 6x + 12 = 8x - 16
28 = 2x
x = 14
3) 1522−x22-x22−x=1322+x22+x22+x 330 - 15x = 286 + 13x
44 = 28x
x = 1.57
4) 36x=48x−2x-2x−2 36x = 48x - 96
96 = 12x
x = 8
5) 60x-25x=420
35x = 420
x = 12
Ответ: x = 10, x = 14, x = 1.57, x = 8, x = 12.