2000b + 68890b - 83b - 187b - 65b
Combine like terms:
2000b + 68890b - 83b - 187b - 65b = 71145b
Therefore, the final expression is:
71145b
2000b + 68890b - 83b - 187b - 65b
Combine like terms:
2000b + 68890b - 83b - 187b - 65b = 71145b
Therefore, the final expression is:
71145b