To solve the equation \( 4(f + 3) = 16 \), follow these steps:
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Divide both sides by 4 to simplify: \[ f + 3 = \frac{16}{4} \] This simplifies to: \[ f + 3 = 4 \]
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Subtract 3 from both sides to solve for \( f \): \[ f = 4 - 3 \] This gives: \[ f = 1 \]
So, the solution is \( f = 1 \).