Respuesta :

Answer: x = 7 and y = -17

Step-by-step explanation:

Opposite sides of parallelograms are equal.

-5y + 3 = 88

-5y = 85

y = -17

10x - 7 = 63

10x = 70

x = 7

Mark the definition of parallelogram

  • Opposite sides are parallel
  • Opposite sides are equal

So

  • 10x-7=63
  • 10x=70
  • x=7

And

  • -5y+3=83
  • -5y=80
  • y=-16

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