To solve the equation \( 2(d - 11) = 18 \), follow these steps:
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Start with the equation: \[ 2(d - 11) = 18 \]
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Divide both sides by 2 to simplify: \[ d - 11 = 9 \]
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Add 11 to both sides to solve for \( d \): \[ d = 9 + 11 \] \[ d = 20 \]
Thus, the solution is: \[ d = 20 \]