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16 November, 07:44

2x+9 = 45 solve for x

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Answers (2)
  1. 16 November, 08:33
    0
    You move both the 9 and 2 away from the x by subtracting the 9 and dividing the 2

    2x+9=45

    -9 - 9

    2x=36

    /2 / 2

    X=18
  2. 16 November, 11:06
    0
    2x+9=45

    Subtract 9 from both sides, so (9-9) and (45-9). You get 36.

    Divide 36 by 2. You get 18. X=18
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