Explanation:
[tex]2(c+1)=10[/tex]First we have to divide both sides by 2:
[tex]\begin{gathered} \frac{2}{2}(c+1)=\frac{10}{2} \\ c+1=5 \end{gathered}[/tex]And then substract 1 from both sides:
[tex]\begin{gathered} c+1-1=5-1 \\ c=4 \end{gathered}[/tex]Answer:
c = 4
