## Elementary Technical Mathematics

$$x=5\frac{1}{2}.$$
We find $x$ by combining the $x$ terms on one side and then dividing by the coefficient of $x$. Thus, we get $$5 - (x- 3) = (2 + x) - 5\Longrightarrow 2x =11\\ \Longrightarrow x=\frac{11}{2}=5\frac{1}{2}.$$