As an expression it is: x-6
5-x=2
a number decreased by 1
the + of a number and 10 k decreased by 4 = k-4
n (number) minus four ----->n-4
17 - y
Let the number be x and so the expression is: x-19
11-n
As an expression it is: x-6
x-(x+4)
15-X
It can be: x-7
a number decreased by 1
5-x=2
the + of a number and 10 k decreased by 4 = k-4
17x+(1+x)
r/2-8