Respuesta :

9514 1404 393

Answer:

  y = 15

Step-by-step explanation:

The coefficients of x are opposites in the two equations, so adding the equations will eliminate x.

  (-2x -8y) +(2x +y) = (-60) +(-45)

  -7y = -105 . . . . . simplify

  y = 15 . . . . . divide by -7

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x = -30