Answer:

Step-by-step explanation:
subtract 18 from both sides

To find how much the temperature fell we must find the difference of both numbers and to do this we subtract them;
20 - (-5) = 25 degrees
4,003,052....Hope this helped
Answer:
2)y=6
4)36=a
Step-by-step explanation:
8y=48
/8 /8
y=6
18=a/2
*2 *2
36=a
You wanna get x by itself