Answer:
-3
Step-by-step explanation:
3+x=0
subtract 3 from 3, 0
subtract 3 from 0, -3
this is because a negative will cancel out a positive
The ratio of jumping jacks to minutes is 120:2 or 60:1. He can do 60 Jumping jacks in 1 minute
Seems like "6x+5=4x+5" has only one solution that's 0.
2
8:30
well it's a delay so you will have to add
6:30 + 2 = 8:30
