What is the algebraic expression for 2 more than twice a number?

1 Answer
Oct 18, 2015

2n+22n+2

Explanation:

Let the "number" be represented algebraically as nn.
"2 more than "color(red)(" twice a number")2 more than twice a number
iff "2 more than "color(red)(2n)2 more than 2n

color(blue)("2 more than") color(white)("X")2n2 more thanX2n
iff color(blue)(2+)2n2+2n or 2ncolor(blue)(+2)2n+2