jamezdmm jamezdmm

19-12-2014
Mathematics

contestada

Which ordered pair is the solution to the system of equations?

2x-5y=-5
x+2y=11

Respuesta :

AwfulLife AwfulLife

19-12-2014

2x-5y= -5
-2/*x+2y=11

2x-5y= -5
-2x-4y= -22
+------------------
-9y=-27
y=3

x+2y=11
x+2*3=11
x=5

Answer Link

konrad509 konrad509

19-12-2014

[tex]2x-5y=-5\\ x+2y=11\\\\ 2x-5y=-5\\ -2x-4y=-22\\ -------\\ -9y=-27\\ y=3\\\\ x+2\cdot3=11\\ x+6=11\\ x=5\\\\ (5,3)[/tex]

Answer Link

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