Question

What's the difference of 5x-4 and 2x+4?

Answer 1

Key Ideas

• Finding the difference between algebraic expressions

Solving the Question:

To find the difference of two expressions, we can write them in a subtraction sentence:

`(5x-4) -( 2x+4)`

Solve:

`= 5x-4 -2x-4\\= 3x-4 -4\\= 3x-8`

Answer

3x-8