Question

What is the solution for -3x - 18 + 5x - 2

Answer 1

-3x -18 + 5x - 2 

-3x +5x = 18 +2

2x/2 = 20/2

x = 10

hope this helps

Answer 2

-3x - 18 + 5x - 2

Group like terms 

=-3x + 5x - 2 - 18

Add similar elements 
-3x + 5x = 2x

Subtract the numbers -2 - 18 = -20

=2x - 20