To solve the equation \( \frac{n}{5} + 10 = -20 \), follow these steps:
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Isolate the term with \( n \): Subtract 10 from both sides of the equation.
\[ \frac{n}{5} + 10 - 10 = -20 - 10 \]
This simplifies to:
\[ \frac{n}{5} = -30 \]
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Eliminate the fraction: Multiply both sides of the equation by 5 to solve for \( n \).
\[ n = -30 \times 5 \]
This gives:
\[ n = -150 \]
The solution to the equation is \( n = -150 \).