n = number
2(n + 15)
======
2n
(10)(2x)
2x+3
2x+15
2x-3
2n
2b
2z
15 - 2x
(10)(2x)
The algebraic expression for three more than a number is: X + 3
As an algebraic expression it is: 2x-9
2x+3
2x+15
If ' x ' is your number, then the quotient is 2x/6.
eight less than twice a number
2x = 76 x = 38