Plug in -1 for x the solve the equation. 3 * -1 -4(-1) which equals 7
The answer to the question is
Answer:
3.3 recurring
Step-by-step explanation:
1) expand bracket
11-3a+6=27
2)rearrange equation
11+6=27+3a
11+6-27=3a
17-27=3a
-10=3a
-10/3=a
a=3.3 recurring
This problem can solve by the rule of three:
275 miles---------------9 gallons
x---------------------------1 gallons.
x=(275 miles * 1 gallons) / 9 gallons=28.55555.... miles≈28.56 miles.
Answer: 28.56 miles.
