Answer= 7
Explanation: combine all like numbers
5-b+4-2=0
5-2+4=7
7-b=0
Then you can tell the answer is 7 because that is the only thing that can replace b and equal 0
Answer:
The answer is: 8a + 5b - 9
Im not sure what inequality means but it is 4°C<22°C
Answer: this question may be easier to answer if you actually graph it. You can also use the app Desmos on the AppStore which is free to find the solution.
Step-by-step explanation: