To solve the equation \(-2(3x - 15) = 60\), follow these steps:
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Distribute \(-2\) to both terms inside the parentheses:
\[ -2 \cdot 3x + (-2) \cdot (-15) = 60 \]
This simplifies to:
\[ -6x + 30 = 60 \]
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Next, isolate the term with \(x\). Subtract \(30\) from both sides:
\[ -6x + 30 - 30 = 60 - 30 \]
This simplifies to:
\[ -6x = 30 \]
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Now, solve for \(x\) by dividing both sides by \(-6\):
\[ x = \frac{30}{-6} \]
This simplifies to:
\[ x = -5 \]
So, the solution is:
\[ \boxed{-5} \]