# Question #8ff47

Mar 31, 2017

Translated $15 - \left(n + 5\right)$ Simplified $10 - n$

#### Explanation:

decreased translates as a subtraction problems.

sum of a number and five means to add

As 15 is decreased by both the number and five this must be written as a binomial in brackets. hence

$15 - \left(n + 5\right)$ To simplify remove the parentheses by distributing the negative sign This equals

$15 - n - 5$ Now group like terms giving

$15 - 5 - n$ This gives

$10 - n$