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3(x+9)-13=8(x-2)+2(x-6)

 30.03.2021
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3(x+9)-13=8(x-2)+2(x-6)

3x +27 -13 = 8x -16 +2x -12

3x +14 = 10x -28   | +28

3x +42 = 10x   |-3x

42 = 7x     |:7

6 = x

 30.03.2021

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