Question 1202394
This year, a teacher graded 82 more final exams than last year. If the teacher graded 577 final exams this year, how many final exams did the teacher grade last year?


Let  final exams  graded last year  be x

This year, a teacher graded 82 more final exams than last year =577

x+82 =577

x= 577-82

you complete