Posted by James on Thursday, August 27, 2009 at 10:49am.
Given that: 4xy+9=0 and 3y2x=7, solve for y

Math  bobpursley, Thursday, August 27, 2009 at 10:57am
multiply the second equation by 2, then add the equations.
4xy+9+6y4x=14
5y+9=14 solve for y,

Math  James, Thursday, August 27, 2009 at 11:17am
am I doing
2(5y + 9)=14
10y + 18 =14
does y= 2.5

Math  James, Thursday, August 27, 2009 at 11:20am
oh i think i got it does y=1
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