To transform the equation \(4x + y = -12\) into slope-intercept form (which is \(y = mx + b\)), we can isolate \(y\):
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Start with the original equation: \[ 4x + y = -12 \]
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Subtract \(4x\) from both sides: \[ y = -4x - 12 \]
Thus, the slope-intercept form of the equation is: \[ y = -4x - 12 \]
So the correct response is: y = -4x - 12.