Start with the innermost parentheses:
Inside the innermost parentheses, we have: 15 ÷ 3 - 8
Calculate: 15 ÷ 3 = 5
Now, the expression becomes: 5 - 8
Continue evaluating the inner expression:
5 - 8 = -3
Move to the next set of parentheses:
Inside the next set of parentheses, we have: 6 - 4 * (-3)
Calculate: 4 * (-3) = -12
Now, the expression becomes: 6 - (-12)
Evaluate the inner expression:
6 - (-12) = 6 + 12 = 18
Move to the outermost parentheses:
Inside the outermost parentheses, we have: 35 - 31 - 12 + 18
Calculate the remaining expression:
35 - 31 - 12 + 18 = 4 - 12 + 18 = -8 + 18 = 10
Finally, subtract 60 from the result:
61 - 60 + 10 = 1 + 10 = 11