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17x - 5 = 10x + 5 - 3
17x - 5 = 10x + 2
17x - 10x = 2 + 5
7x = 7
x = 7/7
x = 1
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6 (x + 2) = 2 (x + 2) + 2
6x + 12 = 2x + 4 + 2
6x + 12 = 2x + 6
6x - 2x = 6 - 12
4x = - 6
x = -6/4
x = -3/2
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3 (x - 6) = (2x + 1) * 5 - 8 * 9
3x - 18 = 10x + 5 - 72
3x - 10x = 5 - 72 + 18
- 7x = - 49
x = -49/-7
x = 7