CPM Homework Banner
8-15.
  1. Solve the following equations using any method. Show your work and check your solution. Homework Help ✎

    1. 5x + 20 = 3x + 4

    2. 7x − 4 = 3x + 8

    3. 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