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25 August, 14:59

15. - 2 (a - 4) = 13

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  1. 25 August, 15:15
    0
    a=-22

    Step-by-step explanation:

    Multiply both sides of the negative equation by (-2) to get the equation:

    a-4=13 (-2)

    then simplify to get:

    a-4=-26

    then isolate the variable by addig 4 to both sides of the equation to get:

    a=-26+4

    simplify to get:

    a=-22
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