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21 November, 18:13

If a=3+10b and c=2+5b, what is a in terms of c

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  1. 21 November, 19:47
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    Step-by-step explanation:

    If

    a = 3 + 10 b

    It can be written as

    b = (a - 3) / 10

    But

    c = 2 + 5b

    Now inserting the value of b from above equation

    We get

    c = 2 + 5 (a - 3) / 10

    c = 2 + (a - 3) / 2

    2c = 4 + a - 3

    a = 2c - 1
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