(90-42)/6+2

Solution:
1. Start with the given expression:
\frac{90 - 42}{6} + 2

2. Subtract 42 from 90:
90 - 42 = 48

3. Divide 48 by 6:
\frac{48}{6} = 8

4. Add 2 to the result:
8 + 2 = 10