To solve for x, we need to add 2c on both sides as:
9x - 2c = k
9x - 2c + 2c = k + 2c
9x = k + 2c
Then, dividing by 9 into both sides:
[tex]\begin{gathered} \frac{9x}{9}=\frac{k+2c}{9} \\ x=\frac{k}{9}+\frac{2c}{9} \end{gathered}[/tex]Answer: x = k/9 + 2c/9
