To solve the equation \( \frac{x}{3} - 9 = 6 \), follow these steps:
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Add 9 to both sides of the equation: \[ \frac{x}{3} - 9 + 9 = 6 + 9 \] \[ \frac{x}{3} = 15 \]
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Multiply both sides by 3 to isolate \( x \): \[ 3 \cdot \frac{x}{3} = 15 \cdot 3 \] \[ x = 45 \]
So, the solution is \( x = 45 \).