N + 5 With "N" being the variable.
a coefficient of n
3n+18 is an algebraic expression and n is an unknown variable
In this case N is variable for a math sentence. If the equation is n+7=9 n would equal 2.
n - 8 is the expression for the difference of eight and a number.'Number' is a variable, so the variable must be a letter (in this case, 'n'). 'The difference' is going to be the subtraction symbol that is in between the 'number' and eight, so it must be n - 8. It could, of course, be 8 - n.
-8 + 13/N, where N ≠0.
The unknown variable in the expression: 6n+3 is n
n/3
n is the variable.
N
It is n
In the expression 6n+3 the variable or the unknown is n
The expression "a number n increased by nineteen" can be represented mathematically as n + 19. This expression indicates that you are taking a specific number, n, and adding nineteen to it. The result of evaluating this expression would be the sum of n and 19.
8+n
N + 5 With "N" being the variable.
2n/5 or (2/5)*n
10 + n