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  1. C

    3rd grade question

    marco is 9 years old
  2. C

    Im Stuck

    i would do it as (please correct me if im wrong) 2x+3 =x-5 therefore you would subtract x from each side leaving you with x+3= -5 then subtract 3 from both sides giving you the answer of x= -8
  3. C

    Factoring

    hello, I'm trying to figure out how a problem was factored i have the answer but i dont understand the rules to it i guess you can call it. Please help! problem: 2x^2 - 9x + 7 Answer: (1-x)(7-2x)
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