1) 8х - 5 = 10х
8х - 10х = 5
- 2х = 5
х = 5 : (- 2)
х = - 2,5
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2) 6х = х - 2
6х - х = - 2
5х = - 2
х = - 2 : 5
х = - 0,4
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3) 9х - 4 = 10х
9х - 10х = 4
- х = 4
х = - 4
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4) 5х - 3 = - 10х
5х + 10х = 3
15х = 3
х = 3 : 15
х = 0,2
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5) х + 9 = - 9х
х + 9х = - 9
10х = - 9
х = - 9 : 10
х = - 0,9
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6) 3х - 8 = - х
3х + х = 8
4х = 8
х = 8 : 4
х = 2
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7) 2х + 7 = - 2х
2х + 2х = - 7
4х = - 7
х = - 7 : 4
х = - 1,75
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8) - 5х = 5х - 6
- 5х - 5х = - 6
- 10х = - 6
х = - 6 : (- 10)
х = 0,6
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9) - х - 2 = 9х
- х - 9х = 2
- 10х = 2
х = 2 : (- 10)
х = - 0,2
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10) - 6х - 5 = 4х
- 6х - 4х = 5
- 10 х = 5
х = 5 : (- 10)
х = - 0,5
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