Answer:
A=-4
Step-by-step explanation:
A-5=9
A-5+5=-9+5
Then simplify and you get A=-4
A+(-5)=-9
A-5=-9
A=-9+5
18.045
because you will have 18liters and because of 045 you would let it stay the same and instead of a coma you would put a period.
hop this helps
The midpoint is (7,7.5)
The simplest form of 50:30 is 53.