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Mathematics 16 Online
OpenStudy (anonymous):

8. Solve: 11x - 9 = 5x - 12x + 19 Step 1: 11x - 9 = -7x + 28 Step 2: 11x = -7x + 28Step 3: 4x = 28Step 4: x = 7Which is the first incorrect step in the solution shown above?A.Step 1C.Step 3B.Step 2D.Step 4

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