# How do you solve 8- 2x = - 7?

Jun 11, 2018

$x = 7.5 \mathmr{and} 7 \frac{1}{2}$

#### Explanation:

To solve for the variable $x$, we have to make it by itself. To do so, first subtract $\textcolor{b l u e}{8}$ from both sides of the equation:
$8 - 2 x \quad \textcolor{b l u e}{- \quad 8} = - 7 \quad \textcolor{b l u e}{- \quad 8}$

$- 2 x = - 15$

Now divide both sides by $\textcolor{b l u e}{- 2}$:
$\frac{- 2 x}{\textcolor{b l u e}{- 2}} = \frac{- 15}{\textcolor{b l u e}{- 2}}$

Therefore,
$x = 7.5 \mathmr{and} 7 \frac{1}{2}$

Hope this helps!