13
the number is negative two.
three times a number decreased by eleven
17 - y
15-X
13
the number is negative two.
Let the number be x and so the expression is: x-19
three times a number decreased by eleven
As an expression it is: x-6
Eleven
x-(x+4)
17 - y
15-X
It can be: x-7
a number decreased by 1
5-x=2