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13-05-2015
Mathematics

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How to do this problem x+2y=3 -x+y=6

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ShawdowEnder ShawdowEnder

13-05-2015

One of the ways is solve by elimination
x+2y=3
-x+1y=6
3y=9
3 3
y=3
x+6=3
-6 -6
x=-3
y=3

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