### Home > CAAC > Chapter 4 > Lesson 4.1.5 > Problem 4-43

4-43.

Simplify each of the expressions below. You may use an equation mat and tiles. Homework Help ✎

−(5

*x*+ 1)6

*x*− (−5*x*+ 1)−(1 − 5

*x*)−5

*x*+ (*x*− 1)

One strategy to start with is to make all of the subtraction within the problem

into addition and then simplify like terms.

For more help see problem 2-105.

(a) −5*x* 7− 1 (b) 11*x* − 1