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20 October, 03:30

Is C + 11 = 20; c = 9 a solution if the equation

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  1. 20 October, 03:53
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    Step-by-step explanation:

    c + 11 = 20 ... subtract 11 from both sides

    c = 20 - 11

    c = 9

    and u know that u can check ur answer by subbing it back into the equation

    c + 11 = 20

    9 + 11 = 20

    20 = 20 (correct)

    so yes, ur answer c = 9 is correct
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