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MathematicsMathematics
25 December, 06:34

3 (2x-3) = 3x+12

step 1: 6x-9=3x+12

step 2: 3x-9=12

step 3: 3x=3

step 4: x=1,

which is the first incorrect step in the solution set

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Answers (2)
  1. 25 December, 07:02
    0
    step 2

    Step-by-step explanation:

    12 cannot be divided by 9
  2. 25 December, 07:02
    0
    Actually step 3 is the first incorrect step, to isolate 3x in step two you must add 9 on both sides, resulting in 3x=21, which would make x=7.
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Home » Mathematics » 3 (2x-3) = 3x+12 step 1: 6x-9=3x+12 step 2: 3x-9=12 step 3: 3x=3 step 4: x=1, which is the first incorrect step in the solution set
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