9 x 9 = 81
81 - 21 = 60
60 / -6
10
Note the equal sign. What you do to one side, you do to the other. Isolate the a.
Add 4 to both sides
a- 4 (+4) = 15 (+4)
a = 15 + 4
a = 19
19 is your answer for a
hope this helps
The answer is 6.
3(4)-5=7 (12-5=7)
6(7)=42
42-9(4)=6. (42-36=6)
Answer:
73.5
Step-by-step explanation:
HOYAAAAAAAAJIIJUJJ
Half past eight or thirty minutes to nine