Respuesta :

Step 1

write out the eqaution

2.8n = 9.8

Step 2

Divide through by coefficient of unknown variable 'n'

[tex]\begin{gathered} \\ \frac{2.8n}{2.8}\text{ = }\frac{9.8}{2.8} \\ n\text{ = 3.5} \end{gathered}[/tex]