To solve the equation \( \frac{r}{5} - 6 = -1 \), follow these steps:
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Add 6 to both sides to isolate the term with \( r \):
\[ \frac{r}{5} = -1 + 6 \] \[ \frac{r}{5} = 5 \]
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Multiply both sides by 5 to solve for \( r \):
\[ r = 5 \times 5 \] \[ r = 25 \]
So, the solution is \( r = 25 \).