To solve the equation \( \frac{1}{4}y - 4 = 16 \), follow these steps:
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Add 4 to both sides to isolate the term with \( y \):
\[ \frac{1}{4}y - 4 + 4 = 16 + 4 \] \[ \frac{1}{4}y = 20 \]
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Multiply both sides by 4 to eliminate the fraction:
\[ 4 \times \frac{1}{4}y = 4 \times 20 \] \[ y = 80 \]
So, the solution is \( y = 80 \).