Answer: x=8 x=0
Step-by-step explanation:
Answer:Ax + By = C
-ax -ax
-------------------
By = -Ax + C
--- ------------
B B
--------------------
y = -Ax + C
----------
B
Step-by-step explanation:
16 would be the range. The lowest value is 5, and the highest value is 21. You just subtract those two which gives you 16! (: