Question

Add the following :-
-7x , 2x , 4x , -x ​

Answer 1

Answer:

$\sf \: ( - 7x) + 2x + 4x + ( - x) \\ = \sf \: 5x + 3x \\ = \sf \: 8x \: ans.$

Answer 2

Answer:

-7x +2x +4x -x

= -5x + 3x

= 2x

Hope it helps didi !