Tính

To compute the given mathematical expressions, let's break them down step by step.

1. For the first expression:

\[
2 - \left( \frac{5}{8} + x - \frac{7}{24} \right) \cdot \frac{16}{3} = 0
\]

Simplifying inside the parentheses:
- Convert \(\frac{5}{8}\) and \(\frac{7}{24}\) to a common denominator (which is 24):
\[
\frac{5}{8} = \frac{15}{24}
\]
- Now, combining:
\[
\frac{15}{24} - \frac{7}{24} = \frac{15 - 7}{24} = \frac{8}{24} = \frac{1}{3}
\]
- Therefore, the new equation becomes:
\[
2 - \left(\frac{1}{3} + x\right) \cdot \frac{16}{3} = 0
\]

2. For the second expression:

\[
2 - \left( \frac{4}{3} + x - \frac{21}{3} \right) \cdot \frac{50}{3} = 0
\]

Simplifying inside the parentheses:
\[
\frac{4}{3} - \frac{21}{3} = \frac{4 - 21}{3} = \frac{-17}{3}
\]
- The equation becomes:
\[
2 - \left(-\frac{17}{3} + x\right) \cdot \frac{50}{3} = 0
\]

Now, calculate \(x\) in both cases and isolate it.

For more precise calculations or detailed solutions, let me know if you want to see a specific part worked out!