Answer:
90 is your answer
Step-by-step explanation:
first I just added all similar numbers together, then I added the answers of all the similar numbers together one-by-one, finally we find our answer, 90
Answer:
yesssirrr
Step-by-step explanation:
Answer:
The answer is B. 
Step-by-step explanation:
...
Bring the 13 over to read
13-12y-13=0
then move the 12y over do it becomes
13-13=12y
0=12y
y=0