twice the sum of a number and 3, means you need to add the number to 3 first, then multiply by 2.
The correct expression would be 2(n+3)
Answer:
I think the answer is all of the above
X = 3/4
So substitute x for 3/4 in <span> 2/3x
(3/4) x (2/3)
Now solve
</span>(3/4) x (2/3) = 1/2 or 0.5