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13-02-2017
Mathematics

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-5x+y=-2
-3x+6y=-12
Solve by using substitution.

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13-02-2017

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

-3x+6(5x-2)=-12
-3x+30x-12=-12
27x-12=-12
27x= 0
x= (0/27)
x=0
-5(0)+y=-2
0+y=-2
y=-2

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