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12x - 6 = 4x + 6
12x - 4x = 6 + 6
8x = 12 /:8
x = 3/2
x = 1 1/2
5x - (6x - 1) = 2x - 4 * (3x + 1) + 4
5x - 6x + 1 = 2x - 12x - 4 + 4
- x + 1 = - 10x
- x + 10x = - 1
9x = -1 /:9
x = - 1/9
-(8x - 2) = 2 * (3x + 1)
-8x + 2 = 6x + 2
- 8x - 6x = 2 - 2
- 14x = 0 /:(-14)
x = 0
12x - 6 = 4x + 6
12x - 4x = 6 + 6
8x = 12
x = 1,5
5x - (6x - 1) = 2x - 4 * (3x + 1) + 4
5x - 6x + 1 = 2x - 12x - 4 + 4
- x + 1 = - 10x
- x + 10x = - 1
9x = -1 /:9
x = - 1/9
- ( 8x - 2 ) = 2 ( 3x + 1 )
-8x + 2 = 6x + 2
-8x - 6x = 2 - 2
- 14x = 0 / : ( - 14 )
x = 0
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