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Mathematics, 20.09.2020 04:01 laneey3760

-4x + 9 = -7x - 12 +7x +7x 3x + 9 +12 -9 -9 3X 3 = 3 3 x= 1 What is the error or is there no error ?

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-4x + 9 = -7x - 12 +7x +7x 3x + 9 +12 -9 -9 3X 3 = 3 3 x= 1 What is the error or is there no error...

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