Math
posted by James .
Given that: 4xy+9=0 and 3y2x=7, solve for y

Math 
bobpursley
multiply the second equation by 2, then add the equations.
4xy+9+6y4x=14
5y+9=14 solve for y, 
Math 
James
am I doing
2(5y + 9)=14
10y + 18 =14
does y= 2.5 
Math 
James
oh i think i got it does y=1
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