B - 3A = 2
3B - 6A = 12
(2)B - (6)A =4
3B - 6A = 12
Subtract
-B = -8
B = 8
Plugin 8 for B
8 - 3A = 2
8 = 3A + 2
6 = 3A
2 = A
(Double checking)
3(8) - 6A = 12
-6A = 12-24 = -12
- 6A = -12
Divide by -6
A= 2
It works
A = 2. B = 8. Hope this helps
Answer:
So you pretty much just solved your math by yourself :)
Step-by-step explanation:
Answer:75
Step-by-step explanation:
90-15=75
The formula for the volume of a cube is
, where s is the side length. Then, just do 9 to the third power, or 9*9*9, which equals 729.
