Question

solve this q9 asap.

Answer 1

let 1/x=x
and 1/y=y
so....
3x+8y=-1 , x-y=2
x=2+y
3(2+y) +8y=-1
6+3y+8y=-1
6+11y=-1
11y=-1-6
11y=-7
y=-7/11
x=2+y
=15/11
answer