Solve the following equation:

$\frac{x}{2}-3=1$x2−3=1

$\frac{x}{2}+8=10$x2+8=10

Solve $\frac{n}{27}=\frac{7}{9}$n27=79.

Find the solution for the following equation: $\frac{x+9}{7}=4$x+97=4

Form and solve linear and simple quadratic equations