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16-08-2017
Mathematics

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12. Solve the following system by any method. 2x – 6y = 24 –5x + 6y = –6

Respuesta :

16-08-2017

2x-6y=24
-5x+6y=-6

2x=24+6y
2x-24=6y
-5x+6y=-6
6y=5x-6
2x-24=5x-6
-24+6=5x-2x
-18=3x
-18/3=x
x=-6
2x-6y=24
2(-6)-6y=24
-12-6y=24
-6y=24+12
-6y=36
y=36/-6
y=-6

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