Oklkoklko Oklkoklko
  • 08-02-2017
  • Mathematics
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X+2y=-2
-3x+2y=-10

Please help me.

Respuesta :

wolf1728
wolf1728 wolf1728
  • 08-02-2017
A)    X+2y=-2
B) -3x+2y=-10

Multiply equation A) by -1
A) -X - 2Y =2      Then add it to B)
B) -3X +2Y = -10

-4X = -8
X = 2

A)    2+2y=-2
2Y = -4
Y = -2

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