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Solve using the substitution method: 7x+2y=-37 and -5x+y=44 what are the solutions?

  • math -

    The second equation tells you that y = 44 + 5x.

    Substitute 44 + 5x in place of y in the first equation. You will have to double it, because 2y appears in that equation. Then solve the resulting equation for x.

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