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27 September, 00:48

What is x?

11 + 3x = - 15 - 4x

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  1. 27 September, 02:30
    0
    11 + 3x = - 15 - 4x

    U subtract 11 from both sides 11+3x-11=-15-4x-11

    Refine3x=-4x-26

    Add 4x to both sides

    3x+4x=-4x-26+4x

    Refine7x=-26

    Divide both sides by 7

    7x/7 = - 26/7

    Refinex = - 26/7
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