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