Simplify the following: x+x+3+3+5+5 Grouping like terms, x+x+3+3+5+5 = (x+x)+(5+5+3+3): (x+x)+(5+5+3+3) x+x = 2 x: 2 x+(5+5+3+3) 5+5+3+3 = 16: 2 x+16 Factor 2 out of 2 x+16: Answer: | 2 (x+8)
