Respuesta :

[tex]y\text{ = }\frac{x-7}{3x\text{ +2}},\text{ when x = 7}\Rightarrow y\text{ = }\frac{7-7}{3(7)\text{ + 2}}\text{ = }\frac{0}{21+2}=\text{ 0}[/tex]

This is a first-grade equation, and we evaluate it for x = 7.