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1. 12x + x + 7x + 14x = 43,4
x - 13x - 4x - 8x = 25,2
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9x - x + 5x + 4x = 29,8
2. 13x - 12x - 14x + 18x = 39
7x + 17x + 3x + 6x = 60,6
12x + 16x + 8x + 4x = 59,2
2x - x - 3x + 6x = 7,4
3. 6x + 4x + 3x = 36
2x + x + 3x = 22
10x + 5x + 8x = 80
2x + 6x + 3x = 45
4. 24x + 27x - 14x + 18x = 18,3
15x - 11x + 3x + 6x = 5
13x - 19x + 8x + 4x = 106
8x + 25x - 3x + 6x = 82,2
5. x - 3x - 45x + 2x = 36
49x + 60x - 3x - 2x = 68
59x - 42x - 95x = 65
48x + 2x + x - x = 21
6. 7x - 12x + 4x + 2x = -8,8
3x + 21x + 8x + 5x = 23,7
x + 7x - 14x + 18x = -3
21x + 4x + 32x + 11x = 30,1
7. 21,6x - 3,2x + 86,4x - 4,8x = 1113
44,8x - 5,6x + 67,2x - 6,4x = 1125
67,2x - 6,4x + 44,8x - 5,6x = 1136
86,4x - 4,8x + 21,6x - 3,2x = 1147
8. 3x - 4x + 5x = 13
3x - x = 5
7x - 8x - 4x = 21
3x + 10x - 4x = 4
9. 4x + 0,24x - 0,08x + 0,16x = 8
0,09x + 3x - 0,15x - 0,12x = 9
0,04x - 0,08x + 4x + 0,06x = 20
0,02x + 0,06x + 0,04x - 10x = 1
10. x - 5x - x + 3x = -5
2x + 3x + x - x = 4
3x - 2x + 3x + 4x = -1
5x + 3x + 2x + 2x = 0
11. 10,9x + 1,2x + 2,1x + 0,9x = -7
1,2x + 11,2x + 1,5x + 2,5x = 5,3
2,1x + 1,5x + 9,8x + 1,3x = 10,3
0,9x + 2,5x + 1,3x + 12,1x = 24,6
12. 0,88x - 0,23x + 0,25x - 0,16x = -1,24
0,14x - 0,66x - 0,18x + 0,24x = 0,89
0,33x + 0,03x - 0,54x - 0,32x = -1,15
0,12x - 0,05x - 0,85x = 0,57
13. 20,9x + 1,2x + 2,1x + 0,9x = 21,7
1,2x + 21,2x + 1,5x + 2,5x = 27,46
2,1x + 1,5x + 19,7x + 1,3x = 28,76
0,9x + 2,5x + 1,3x + 32,1x = 49,72
14. 4x + 4x + 5x + 5x = 0
2x + 3x - x = 10
x + x - 5x = -10
3x + 2x = 1
15. 2x - x + 3x + 2x = 4
3x + 3x + 3x + 2x = 6
3x - x - x - 2x = 6
3x - x + 3x - x = 6
16. 2x + 2x - x + x = 4
4x + 3x - x + 2x = 6
8x + 5x - 3x + 4x = 12
3x + 3x - 2x + 2x = 6
17. 2x + 5x + 4x + x = 20
x + 3x + 2x + x = 11
2x + 10x + 9x + 9x = 40
3x + 8x + 9x + 2x = 0
18. 3x + 5x + 3x + 5x = -6
3x + 4x + x + 2x = -3
6x + 8x + x + 5x = -8
3x + 5x + 3x + 7x = -8
19. 3x - 2x - 5x + x = 3
2x - 3x + x + 5x = - 3
x + 2x - 4x = - 3
x - x - 4x + 9x = 22
20. x + x - 6x - 4x = 6
3x - x - 6x - 4x = 2
2x + 3x + 9x + 2x = 6
3x + 2x