The phrase "the difference between a number and 2" can be written as which variable expression? a.) 2 + x b.) x - 2 c.) 2x + 2 d.) 2x - 2

For this case, the first thing we must do is define a variable.

We have then:

x: unknown number.

We want to write the following expression in algebraic form:

"the difference between a number and 2"

By writing the sentence in algebraic form we have:

x - 2

A variable expression for the phrase is given by:

B.) x - 2