The sum of a number and 2
x + 2
is twice the number
2x
answer
<span>x + 2 = 2x</span>
The answer is this: $3.60
4 x 10 = 40 - 0.4 = 3.6
1/3 x 9a then 1/3 x n plus -1/2 x 4a the -1/2 x 2b the add the two b's together then add the two a'S together the write _a + _b
You would basically go back and trace all your steps, that's what I do. And if your answer seems reasonable then you have the right answer but if your work doesn't match the answer than you've messed up.
I hope I helped if I did like my answer and comment down below thx
I think A. but I'm not a 100% sure