Question

evaluate
$x$
​

Answer 1

Answer:

x is a variable and it has a value when it is in a equation

Answer 2

Step-by-step explanation:

To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.