Question

Add: (3x-1) + (1-3y)
(x-y) (y-x)

Answer 1

\[(3x-1)/(x-y) +(1-3y)/(y-x)=(3x-1)/(x-y)-(3y-1)/(x-y) =(3x-3y)/(x-y)=3\]

Answer 2

\[(3x-1)/(x-y)-(3y-1)/(x-y)\]=(3x-3y)/(x-y)
=3

Answer 3

sorry the above math is wrong it should be
(3x-1)/(x-y)+(3y-1)/(x-y)=(3x-3y-2)/(x-y)=3-[2/(x-y)]