taneiahamptont taneiahamptont
  • 13-05-2015
  • Mathematics
contestada

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

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ShawdowEnder
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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