Question

solve for r: $\frac{r}{-12}-7 = -1$

Explanation:

Step1: Isolate the fraction term

Add 7 to both sides of the equation $\frac{r}{-12}-7=-1$.
$\frac{r}{-12}-7 + 7=-1 + 7$
$\frac{r}{-12}=6$

Step2: Solve for r

Multiply both sides by - 12.
$r=6\times(-12)$
$r = - 72$

Answer:

$r=-72$