Thrice A number divided by five is three
2x-3
As an algebraic expression this is written 2x - 12, where x is the unknown number.
x/2 - 3/4
The number could be -12.5326 or 10.5326 (approx).
sum - means addition less - means subtraction twice - means multiply by 2
3a-6x2
As an algebraic expression it is: 2x-9
2x-3
As an algebraic expression this is written 2x - 12, where x is the unknown number.
x / (2y - 7)
2x-3 , where x is the number referred to in the question
Let the unknown number be x and so the algebraic expression is: 2x -13
eight less than twice a number
3n-9
The corresponding expression would be 2x - 6 = 4.
3x - 3
x/2 - 3/4