x = (r + st)/r is the expression that represents x in the equation rx - st = r.
9/x
Let x be the unknown number. the expression is: x + 10.
x/7
(x^2-14x+49)
9.00 x 102
15-X
Unknown Variable
It can be: x-7
4(x + 5)
Let the number be x and so the expression is 4x -3
The term is: 100/x
x = 22