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20 December, 13:40

What is the answer to - 3r+10=15r-8

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Answers (2)
  1. 20 December, 13:46
    0
    -3r+10=15r-8

    -15+8 - 15+8

    -3r+-15r=-18r

    8+10=18

    18=-18r

    18/-18r

    -1 = r
  2. 20 December, 14:02
    0
    -3r+10=15r-8

    10-8=15r+3r

    2=18r

    2/18 = r

    1/9 = r
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