x + 81
You write it as5nNothing more, nothing less.
x+8
It is: t+8
3>2x
X = " a number " X + 20
You write it as5nNothing more, nothing less.
x+8
n + 7
M > n
It is: t+8
n + 4
3>2x
As an algebraic expression it is: 2x+4
X = " a number " X + 20
You do not wright it, but write it as n + 6.
p+4.
7x+5