Mathematics, 28.06.2019 23:30, Kurlyash
Solve: 7-4(x-1) = 20 step 1: 7-4x + 1 = 20 step 2: 8-4x = 20. step 3: (-1/4) -4x = 12 (-1/4)step 4: x=-3 which is the first incorrect step in the solution shown above a. step 3 b. step 4 c. step 1 d. step 2
Answers: 1
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Solve: 7-4(x-1) = 20 step 1: 7-4x + 1 = 20 step 2: 8-4x = 20. step 3: (-1/4) -4x = 12 (-1/4)step...
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