Let x = your number;
( 3 x ) - 24
The 3x portion represents three times a number, then you subtract (24 less) the 24.
This expression would be 3x-7.
3n-9
9x
4x
11
7/ 3/
The algebraic expression for "five more than three times some number" is 3x + 5, where x represents the unknown number.
3 x 8
This expression would be 3x-7.
3x +3
3n-9
3x+2
5x+3
3+10x
3x + 7
The algebraic expression for the sum of 11 times 5 and three is 11s+3
4x