Question

1/x+y-1/2x=1/30,5/x+y+1/x=4/3 hence find the value of 2x^2-y^2

Answer 1

Answer:

Solve:

10

2x+1

−

15

3−2x

=

6

x−2

. Hence, find y, if

x

1

+

y

1

+1=0.