Question

(x,y) =(_,_)? in the blank what does (x,y) =?

Answer 1

Hi,

if x and y are integer

(1,0) ...

Explanation:

`3x-y=3\\\\\Longrightarrow\ x=(3+y)/(3) \\\\\Longrightarrow\ x=1+(y)/(3) \\\\\left\{ \begin{array}{ccc}y&=&0+3*n\ where\ n\in \mathbb{N}\\x&=&1+n\\\end{array}\right.\\\\\\if\ n=0\ (1,0)\ is\ a\ solution\\\\if\ n=1\ (2,3)\ is\ a\ solution\\\\if\ n=2\ (3,6)\ is\ a\ solution\\\\...`