Answer:
sorry i can not anderstand pls
Answer: 1 
Step-by-step explanation:

To solve q+(-9)=12 we do the following.
q+(-9)=12
+9 +9
q=21
Giving us are end answer of q=21.
Hope this helps!=)
Answer:
i am positive it is x+y+z
Step-by-step explanation:
i'm so sorry if this is wrong..hope this helped :)
If there was 20% taken off you add 20% back on and that is how you will get your answer. So take 760 plus the 20% which gives you 912 dollars