### Home > AC > Chapter 7 > Lesson 7.1.3 > Problem 7-28

7-28.

For each equation below, solve for

*x*and check your answer. Homework Help ✎10(2

*x*− 1) = 100− 6 = 8

(

*x*− 2)(*x*+ 1) =*x*^{2}+ 4*x*9

*x*− 21 + 9 = 2(5 −*x*)

For more help solving equations, see problem 6-107.

5.5

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