Thread: pleae help finding z,x,y

Find x,y and z if 1/x+1/y=1995,1/y+1/z=1996 dhe 1/x+1/z=1997

Let .

Then

Solve the system, find a, b, c and then x, y, z.

Originally Posted by alternative

Find x,y and z if 1/x+1/y=1995,1/y+1/z=1996 dhe 1/x+1/z=1997

Use the substitution

and and

Then you have to solve the system of simultaneous equations:



Afterwards re-substitute to calculate x, y, z.