2n
2x+15
2x-3
n = number 2(n + 15) ======
It is simply: 2x
2n
2b
2z
(10)(2x)
2x+3
As an algebraic expression it is: 2x-9
2x+15
The algebraic expression for three more than a number is: X + 3
If ' x ' is your number, then the quotient is 2x/6.
eight less than twice a number
The algebraic expression is 2m+6
2(n+7)