To solve the equation \( 30k + 1 = 4 \), we can follow these steps:
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Subtract 1 from both sides: \[ 30k = 4 - 1 \] \[ 30k = 3 \]
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Divide both sides by 30: \[ k = \frac{3}{30} \] \[ k = \frac{1}{10} \]
Therefore, the solution to the equation is \( k = \frac{1}{10} \).