8th grade math
posted by
david on
.
I need to know how to work this math problem: 3n + (7) 5n +1

8th grade math 
Ms. Sue,
3n + (7) 5n +1
3n  5n + 6
2n + 6

8th grade math 
Kate,
Like Ms. Sue showed, you need to combine like terms.
3n5n=2n
7+1=6
You cannot combine 2n and 6 so the answer would be 2n6.
2n6