### Home > MC2 > Chapter 7 > Lesson 7.1.3 > Problem 7-30

7-30.

Solve the following equations using any method. Show your work and check your solution. Homework Help ✎

5

*x*+ 20 = 3*x*+ 4*7x*– 4 = 3*x*+ 82

*x*+ 6 =*x*– 9

Once you have found an answer, substitute it for *x* in the original equation to check if you are correct.

*x* = −8

*x* = −15