Explanation:
This equation represents a line, so there are many points that are a solution to it. We just have to pick one value of x, replace it into the equation and find y:
[tex]\begin{gathered} y=-x+7 \\ \text{ using x = 1:} \\ y=-1+7=6 \end{gathered}[/tex]Answer:
A solution is (6) = - (1) + 7