7x+2 - 6x-5 what is the answer because i dont get it

Combining Like Terms and the Distributive Property ...

First you simplify

7x+2-6x-5

7x + 2 + - 6x + - 5

Then you combine the like terms

7x+2+-6x+-5

(7x + - 6x) + (2 + - 5)

x + - 3

The answer is

= x-3

Lets say x = 2

(7) (2) + 2 - (6) (2) - 5

(7) (2) + 2 - (6) (2) - 5

= - 1