As they cope with the rising burden of uncompensated care and investment losses, Michigan hospitals are postponing projects, laying people off, or freezing jobs. Even long-healthy systems, such as Royal Oak-based Beaumont Hospitals, are hurting. The system faces a $60-million shortfall and is postponing a big cancer radiation center, freezing jobs, and asking executives to take pay cuts. Equally strong Oakwood Healthcare System of Dearborn may post its first loss since 1999, said Doug Welday, its chief financial officer.