-2/15-(-9/15)=-2/15+9/15=9/15-2/15=7/15
the answer is C
I believe a=9
You divide a by 0.9 to get the variable alone. Then you divide 8.1 by 0.9 as well. What you do to the one side u must do to the other side. Therefore you should get A=9
Hope it helps :)
Answer:
r is equal to negative 14.
Step-by-step explanation:
Idk bro tbh ima keep it real you should drop out