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How do i solve equations like these find no. of ordeted pairs for 10y+10x=xy-1?

How do i solve equations like these
find no. of ordeted pairs for 10y+10x=xy-1?

Grade:12

1 Answers

Y RAJYALAKSHMI
45 Points
7 years ago
You will get infinite number of ordered pairs for this equation.
10y + 10 x =  xy –1 
y = – (1 + 10x)/(10 – x)  & x = – (1 + 10y)/(10 – y)
This is not defined for x = 10 & y = 10
 

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