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31 July, 18:58

9x-7=-7 what is the answer and show work

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  1. 31 July, 19:24
    0
    First add 7 to both sides.

    9x-7=-7

    +7. + 7

    9x=0

    x would equal 0, since 9*0=0.
  2. 31 July, 22:16
    0
    9x-7=-7

    +7 + 7

    9x=0

    /9 / 9

    x=0/9=0
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