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30 May, 10:34

Solve for a 7a + 2a + a - 9a = 20

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  1. 30 May, 13:50
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    a = 20

    Step-by-step explanation:

    7a + 2a + a - 9a = 20

    Combine like terms

    10a - 9a = 20

    a = 20
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