Question

What does the x represent

Answer 1

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 and x in this equation is , 5+2=7, but we can work out its value if we try!

Explanation:

Answer 2

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 and x in this equation would be 5 because 5+2=7.

Explanation: