18 - 3n
4x
9x
11
This expression would be 3x-7.
5+4x
It can be: 7-4x as an algebraic expression
Let x be the number and so it is: 3x-18
It is: 18-3D
4x
9x
11
3x
x+9x
14
7/ 3/
The algebraic expression for "five more than three times some number" is 3x + 5, where x represents the unknown number.
This expression would be 3x-7.