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20 February, 00:51

Brian is writing a paper that needs to be 20 pages long. He already wrote 8 pages and writes 4 pages each day. Write an algebraic equation to solve how many days it will take Brian to finish his paper. Let d equal the number of days

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  1. 20 February, 02:08
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    8+4d=20

    4d=12

    d=3

    3 days

    There are already 8 pages and then 4 a day, so you do 4 x d. Then put these as equals to 20 and solve it.
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