### Home > INT3 > Chapter 1 > Lesson 1.1.1 > Problem 1-9

1-9.

Solve each of the following equations. Be sure to check your solutions.

Distribute. Notice the minus sign in front of the

. Combine like terms.

Solve.

Remember to check your solution.

See the steps in part (a).

Pay attention to the minus sign in front of the.