To solve the equation \( 153x - 9 - 4 = 12 \), we first simplify the equation.
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Combine like terms on the left side: \[ 153x - 13 = 12 \]
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Next, isolate the term with \( x \) by adding 13 to both sides: \[ 153x = 12 + 13 \] \[ 153x = 25 \]
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Now, divide both sides by 153 to solve for \( x \): \[ x = \frac{25}{153} \]
Since the problem states \( x \neq \text{(some value)} \), it's important to clarify what that value is, but from the context provided, we have:
\[ x = \frac{25}{153} \]
This is the value that completes the set of equations. If you have a specific value that \( x \) cannot be, please provide that information for further clarification.