10n
This question cannot be answered. You will have to give me more detail.
10n
n/12. n=variable......stands for the number.
2n/5 or (2/5)*n
2x+3
The expression is 9*x.
n + 11
x + 138
3n-7
This question cannot be answered. You will have to give me more detail.
10n
40 + x
15 h
n/12. n=variable......stands for the number.
x-2
s + 9
2n/5 or (2/5)*n