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a) 6x - (10 - 2x) = 3x + 5     6x - 10 + 2x = 3x + 5     6x + 2x - 3x = 5 + 10     5x = 15 | :5     x= 3 b) 8- (4x - 12) = 8x - (3x-2)     8- 4x + 12 = 8x - 3x + 2     4x - 8x - 3x = 2 - 8 - 12     -7x = -22 |: (-7)      x= 22/7 c) 3/4 (x-5) + x= x     3/4x - 3,75 + x= x     3/4x + x -x = 3,75     3/4x = 3,75 | : 3/4     x= 5 d) 7(x+2) - x = 5 (x-2)      7x + 14 - x = 5x - 10     6x - 5x = -10 -14     x= -24 e) -(x-2)+3(x-1)+2 = 0     -x + 2 + 3x - 3 + 2 = 0     -x+3x = 0-2+3-2     2x = -1 |: 2      x= -0,5

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