Question

7x+51+5x-15=180 linear pair solve for x

Answer 1

First of all, we are going to write the equation over here:

$\begin{gathered} 7x+51+5x-15=180\text{ ; we add x's coefficient} \\ 12x+36=180 \\ 12x=180-36 \\ 12x=144 \\ x=\frac{144}{12}=12 \\ x=12 \end{gathered}$

The answer is x=12.