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08-02-2017
Mathematics

contestada

X+2y=-2
-3x+2y=-10

Please help me.

Respuesta :

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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