Question

solve x+y=5xy,, 3x+2y=13xy by Elimination Method

Answer 1

x+y=5xy

or, x=5xy-y

3x+2y=13xy

3(5xy-y)=13xy

15xy-3y=13xy

3y=2xy

2x=3

x=3/2

5xy-y=x

5(3/2)y-y=3/2

((15/2)-1)y=3/2

13/2y=3/2

y=3/13