To determine the value that makes the equation \(-5 = \frac{4 - 3x}{4 - 3x}\) undefined, we need to identify when the denominator is equal to zero because division by zero is undefined.
The denominator of the fraction given in the equation is \(4 - 3x\).
To find when this expression is zero, we set it equal to zero:
\[ 4 - 3x = 0 \]
Now, solve for \(x\):
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Subtract 4 from both sides: \[ -3x = -4 \]
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Divide by -3: \[ x = \frac{4}{3} \]
Thus, \(x = \frac{4}{3}\) makes the equation undefined.
The correct response is: Start Fraction 4 over 3 End Fraction.