## Chapter 3, Lesson 3

**3-3.A** translate word phrases into mathematical expressions

**Write each word phrase as a mathematical expression.a.** three more than the product of five and a number,

*n*

**b.**nine less than twice a number,

*n*

**3-3.B** evaluate algebraic expressions

**Evaluate each expression for the indicated value of the variable.a.** 6

*x*— 10 for

*x*= 3

**b.**9

*m*+ 4 for

*m*= —5