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6 May, 14:11

8c+5c+21 can anyone solve that.

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Answers (2)
  1. 6 May, 14:47
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    13c + 21 I'm pretty sure it stays like that because of the variable C.
  2. 6 May, 17:51
    0
    Add like terms

    one way to understand adding like terms is the distributive propery

    a (b+c) = ab+ac so

    8c+5c = (8+5) c

    then add 8+5=13

    (13) c

    13c so

    13c+21

    we can't add them together since the 21 doesn't have a placeholder with it

    the answer is 13c+21
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