### Home > CAAC > Chapter 2 > Lesson 2.1.4 > Problem 2-41

2-41.

Read the Math Notes box above and for Lesson 2.1.2. Then examine the work below that shows one way to simplify the expression 3*x* + 8 + (*x* + 10). Decide which property was used for each step. Homework Help ✎

Choose from among the properties below:

When adding three or more numbers or terms together, grouping is not important.

Adding zero to any expression gives the same expression.

Commutative Property of Addition: When adding two or more numbers or terms together, order is not important.