### Home > A2C > Chapter 11 > Lesson 11.3.1 > Problem 11-135

11-135.

Look inside.

2*x* + 1 = (*x* + 1) or

2*x* + 1 = −(*x* + 1)

*x* = 0

Remember to check your answer.

See part (a).

*x* = 1

11-135.

Look inside.

2*x* + 1 = (*x* + 1) or

2*x* + 1 = −(*x* + 1)

*x* = 0

Remember to check your answer.

See part (a).

*x* = 1