To solve the equation \( 6x - 6 = -42 \), follow these steps:
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Add 6 to both sides: \[ 6x - 6 + 6 = -42 + 6 \] This simplifies to: \[ 6x = -36 \]
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Divide both sides by 6: \[ x = \frac{-36}{6} \] This simplifies to: \[ x = -6 \]
Thus, the solution is: \[ \boxed{-6} \]