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!
Answer:
=15s−2
Step-by-step explanation:
sorry if its not correct i tried
by arranging the line to the correct order in order to do whatever it is you need the number line for
Is there a picture I can look at?