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14 February, 13:08

What number solves this equation - 10=2a-4

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  1. 14 February, 16:31
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    Add 4 to both sides

    -10 + 4 = 2a

    Simplify - 10 + 4 to - 6

    -6 = 2a

    Divide both sides by 2

    -6/2 = a

    Simplify 6/2 to 3

    -3 = a

    Switch sides

    a = - 3
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