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05-12-2016
Mathematics

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Use the substitution method to solve x=2y+4 and y-2x=16

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iamoudi iamoudi

05-12-2016

substitute the value of x from the 1st equation in the 2nd equation
you will have y-2(2y+4)=16
y-4y-8=16
-3y=24
-y=7
y=-7

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