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Substitution Method

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  • Substitution Method -

    The first set cannot be solved, the two lines represented in the equations are parallel, and have no solution.

    The second set, the second equation tells us that x= 3y+7, put that in the first equation
    15y+6y=14-35 solve for y

  • Substitution Method -

    21y=-21 21y/21=-21/21 y=-1

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