Answer:
-42
Step-by-step explanation:
3b-6-2b+4=2-7b
b-2=2-7b
8b=4
b=4/8
b=1/2
Hope this helps.
Answer:
i think the perimeter is 31 m
Step-by-step explanation:
Answer:

Step-by-step explanation:
The comma is important here, otherwise "one third of a number n minus 7" is

The correct choice is w-23=84.
Letting w be the number of wolves on January 1, we know that there are 23 fewer the next year which is given by w-23. We also know that this is a total of 84, so w-23=84.