The number of 5th grade students who volunteered to help clean up the park this was 5 less than twice as many last year If 39 5th graders volunteered to help clean up the park this year how many volunteered last year

Answer 1

2x-5=39
2x=39-5
2x=34
x=17

Answer 2

2x-5=39
2x=39+5
2x=44
x=22