Question

How do you combine like terms in `(5x + 3) - ( 2x - 7)`?

Answer 1

`3x+10`

Explanation:

Remove the brackets first to have separate terms. Be careful with a negative sign in front of a bracket because the signs will change.

`5x+3 -(2x-7)`

=`5x+3-2x+7" "larr` add like terms together

=`3x+10`