Question 20680
very simple
3(x-2)+(2x+6)
use 3 to multiply the expression b4 the positive sign
it will give you:3x - 6 + (2x + 6)
so you can write:3x - 6 + 2x +6
takr like terms
your final answer is: 5x because -6 and +6 will be sriked out then 
you are left with 3x + 2x =5x.