First move the 2n over to the other side by subtracting it
so
4n=-8
then divide 4n by 4 and do the same to the other side
so
n= -8/4
n= -2
Answer:
Do you have a picture?
Step-by-step explanation:
Answer:

Step-by-step explanation:
Let
and 
<u>Determine slope</u>
<u />
<u>Use either ordered pair to find the y-intercept</u>
<u />
<u>Final equation</u>
<u />
15+(q/6)=-21
Subtract 15 from both sides
q/6= -36
Multiply both sides by 6.
q= -216
1 month = 5.5cm long
2 month = 7cm long
So 2 months