[tex]\begin{gathered} y=mx+b \\ \text{where} \\ m=\text{slope} \\ b=y-\text{intercept} \\ x+y>3 \\ x-x+y>3-x \\ y>3-x \\ y>-x+3 \\ \sin ce\text{ x+y is greater than 3 then x+y can be equals to 4, 5,6 etc} \\ \text{therefore,} \\ y+x=4 \\ y=-x+4 \end{gathered}[/tex]
