If the problem is asking you to find x then I can glady help you.
You start off with:
3(x - 6) - 8x = -2 + 5(2x + 1)
Now the best move here would to be distributing 3 and 5:
3x - 18 - 8x = -2 + 10x + 5
Now just add like terms:
-5x - 18 = 10x + 3
Subtract 3 and add 5x on both sides:
-21= 15x
Divide both sides by 15:
x= -21/15
Simplify:
x= -7/5