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    simplify 3x+5y-x+2y
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    (Original post by Hollie2005)
    simplify 3x+5y-x+2y
    Collect like terms.

    Does that sound familiar?
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    Collect the x's and the y's
    So to do that you go 3x - x (and the what that equals) plus 5y + 2y (and what this equals)
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    Simplify 3x+5y-x+2y

    You have to collect both terms together. So both of the x you have to collect and both of the y and you have to add them together. (The spoilers are answers)


    3x - x
    Spoiler:
    Show

    2x

    5y + 2y
    Spoiler:
    Show

    7y
    Spoiler:
    Show

    Answer - 2x + 7y


    Work these two equations out and add them together.
 
 
 
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