Question

Find an expression which represents the difference when (-5x+3) is subtracted from (-7x+7) in simplest terms.

Answer 1

-2x + 4

Explanation:

-7x + 7 - (-5x + 3)

-7x + 7 + 5x - 3

-2x + 4

Answer 2

`-2x+4`

Explanation:

Let's write this mathematical operation:

`(-7x+7)-(-5x+3)\\\\-7x+7+5x-3\\\\`

Group similar terms:

`-7x+5x+7-3`

Simplify:

`-2x+4`