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6 April, 23:00

How do you solve for x in 3x-12=9

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Answers (2)
  1. 6 April, 23:49
    0
    3x - 12=9

    3x=9 + 12

    3x=21

    x=7
  2. 7 April, 02:20
    0
    Add 12 to both sides. leaving you with

    3x=21

    then divide 3 on both sides. leaving you with

    x=7

    hopefully that's right!
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