Posted by James on .
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