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16 February, 21:35

Add 2x + 3y + 7 and 2x - y - z

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  1. 16 February, 21:44
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    4x+y-z+7

    Step-by-step explanation:

    use parentheses to separate the 2 parts of the equations

    (2x+2y+7) + (2x-y-z)

    then combine like terms (terms with the same variables)

    note that z and 7 are the only two terms without any like terms, so they stay the same.

    4x+y-z+7
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