3. "Solve the equation .... for x" simply means that you figure out for which value(s) of x the equation holds true. So, for example, if I say: "Solve the equation 2x=6 for x", then you should say: "Ah, yes, that equation holds true for x=3".20 abr 2017
What does X mean in a formula?
more ... 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!
What does X equal in an equation?
independent variable
What is the x value in math?
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! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol. See: Variable.