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Solve this system 5x-2y=-5,y-5x=3 by substitution

  • math - ,

    5x -2y = -5
    -5x +y = 3
    Substitute y-3 for 5x in the first equation.
    y -3 -2y = -5
    y = 2
    With that value for y, use either of the first two equations to solve for x.

    5x - 4 = -5
    Solve for x.

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