Oklkoklko
Oklkoklko
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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