To solve the equation \( 3 = -2(m + 8) - 11 \), follow these steps:
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Start by simplifying the equation. Distribute the \(-2\) on the right side: \[ 3 = -2m - 16 - 11 \]
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Combine like terms on the right side: \[ 3 = -2m - 27 \]
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Next, isolate the term with \(m\) by adding \(27\) to both sides: \[ 3 + 27 = -2m \] \[ 30 = -2m \]
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Now, divide both sides by \(-2\) to solve for \(m\): \[ m = \frac{30}{-2} \] \[ m = -15 \]
So, the solution is: \[ m = -15 \]