Question

Which expression represents the phrase "twice the sum of a number and three"?

2n + 3

2+(2n+3)

2(2n−3)

2(n+3)

Answer 1

2(n+3)
"sum of" is the clue meaning whatever follows those words should be set off alone in parenthesis

Answer 2

2(n+3)
two times the sum of a number (n) and 3