A: no X = 3 2x + 3 2(3) + 3 6 + 3 9 For the other one: 2(x + 3) 2(3+3) 2(6) 12
2x + 3 and 2(x + 3) are not equivalent because one has parentheses, which means you will have to do parentheses first instead of multiplication (PEMDAS rule) Hope this helps!
