simultaneous equations, it is algebra question

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simultaneous equations, it is algebra question 

need solution for ( x-y=2,2x+y=4 )

Dec 25th, 2014

x-y =2

2x+y =4

adding 

3x = 6                   x =6/3=2                         2-y =2                    -y =2-=0                   y=0

(x=2 & y=0)


Dec 25th, 2014

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Dec 25th, 2014
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Dec 25th, 2014
Oct 22nd, 2017
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