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 ✎
5x + 20 = 3x + 4
7x – 4 = 3x + 8
2x + 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