### Home > CC2 > Chapter Ch6 > Lesson 6.2.5 > Problem6-105

6-105.

Write an algebraic expression for each situation.

1. Three less than a number.

See problem 3-39 for examples of how to write these expressions.

2. Nine more than three times a number.

If $9$ more than a number is $n+9$, then what is $9$ more than three times a number?

$3n+9$

3. Two less than five times a number

See part (b).