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Math Help - Can some on please show me how to solve these algebraic substitution problems

  1. #1
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    Can some on please show me how to solve these algebraic substitution problems

    1)Y=3x-7
    3x-u=7.


    2)Y-x+3
    2y+2x=4


    3)X+y=16
    2y=-2x+2
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  2. #2
    MHF Contributor
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    Re: Can some on please show me how to solve these algebraic substitution problems

    Hey Nolo345.

    Hint: Try getting one equation in terms of y = blah and the substitute that into equation 2 and solve for x for each system of equations.
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