To solve the equation \( \frac{2}{3} ( x - 4 ) = -6 \), follow these steps:
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Eliminate the fraction by multiplying both sides of the equation by 3: \[ 3 \cdot \frac{2}{3} ( x - 4 ) = 3 \cdot (-6) \] This simplifies to: \[ 2 ( x - 4 ) = -18 \]
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Distribute the 2 on the left side: \[ 2x - 8 = -18 \]
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Add 8 to both sides to isolate the term with \( x \): \[ 2x = -18 + 8 \] Simplifying the right side gives: \[ 2x = -10 \]
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Divide both sides by 2 to solve for \( x \): \[ x = \frac{-10}{2} = -5 \]
Thus, the solution is \[ \boxed{-5} \]