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23 January, 07:00

What is 8x minus 2 equals - 9 plus 7x?

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Answers (2)
  1. 23 January, 07:18
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    8x-2=-9+7x,

    8x-7x=x and - 9+2=-7

    so x=-7
  2. 23 January, 07:25
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    8x-2=-9+7x

    So you move the 7x over the equals sign, so you take it away from the 8x. This gives you x-2=-9.

    You then must move the - 2 over the equals sign so you add it to the - 9. This gives you x=-7

    So x = - 7
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