find value of x and y in 3x(x+y-2)=2y,y(x+y-1)=9x
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Answer:
x= -96/25,y= -24/25
Step-by-step explanation:
3x(x+y-2)=2y
y(x+y-1)=9x
3x^2+3xy-6=2y
xy+y^2-y=9x
2xy+2y^2-18x=2y
3x^2+3xy-6x=2xy+2y^2-18
3x^2+xy+12x-2y^2=0
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