The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! so im pretty sure its 20
Answer:
3 gallons
Step-by-step explanation:
its in between 2 and 4 on minute 1 and its on 6 at minute 2
The answer for that problem is z =12+6
Answer:
None of those that you listed are correct.
Step-by-step explanation:
All of the selections you've shown do not equal to 43. Sorry. :(