Question

Which value of x is the solution of the equation 2(x - 4) + 7 = 3?

Answer 1

$\begin{gathered} 2(x-4)+7=3\rightarrow \\ 2x-8+7=3 \\ 2x-1=3 \\ 2x=3+1=4 \\ x=\frac{4}{2}=2 \end{gathered}$

so the answer is x=2