Question 14: How many values ​​of x satisfy \(240 – [ 23 + (13 + 24.3 – x) ] = 132?\)

\(\begin{array}{l} 240 – \left[ {23 + \left( {13 + 24.3 – x} \right)} \right] = 132\\ 23 + \left( {13 + 72 – x} \right) = 240 – 132\\ 23 + \left( {85 – x} \right) = 108\\ 85 – x = 108 – 23\ \ 85 – x = 85\\ x = 85 – 85 \to x = 0 \end{array}\)

There is a value x=0 that satisfies the problem.

The answer to choose is: