Answer:
1 4/35
Step-by-step explanation:
All I did was do 5/7 + 2/5.
a is given to us so just plug a into the first equation:
b-3 - 3b =9
Add 3 to both sides:
b-3b=12
Combine like terms:
-2b=12
Divide by -2 to get b by itself:
b=-6
The only answer with b as -6 is the first one, (-9,-6)
Let x be the capacity of the tank then
3x/4-x/8 =15,
then x=24, so so far it has 3/4 *24 =18 so you need 6 gallons to fill it up
13.1......... I believe this is the correct answer
Answer:
i think it is x= -4/3
Step-by-step explanation:
maybe