# What value of x makes the equation -9=r+6 true?

Dec 3, 2016

This equation is true for $r = - 15$. See explanation.

#### Explanation:

To solve this equation you have to move $6$ to the left side.

$- 9 = r \textcolor{red}{+ 6}$

$- 9 \textcolor{red}{- 6} = r$

$r = - 15$