Expressions for Subtraction in Algebra

The video tutorial explains how to convert verbal phrases into algebraic expressions using the variable X. It covers two examples: a number subtracted from 12, resulting in the expression 12 - X, and three subtracted from a number, resulting in the expression X - 3. The tutorial emphasizes understanding the order of operations in these expressions and provides alternative verbal phrases for each example.

What is the algebraic expression for a number subtracted from 12?

• X + 12

• X - 12

• 12 + X

• 12 - X

If X represents a number, how would you express 'X less than 12'?

• X - 12

• 12 - X

• 12 + X

• X + 12

How do you write the expression for three subtracted from a number?

• X + 3

• 3 + X

• X - 3

• 3 - X

What is another way to say 'three subtracted from X'?

• 3 more than X

• X more than 3

• 3 less than X

• X less than 3

Which expression represents 'X less than 12'?

• 12 + X

• X + 12

• 12 - X

• X - 12

What is the alternative phrase for the expression X - 3?

• X less than 3

• 3 less than X

• 3 more than X

• X more than 3