# Algebraic Expressions

# Combining Like Terms Exercises

### Example 1

For each term, determine the coefficient of the term and the variable part of the term.

2π*xy*^{2}

### Example 2

For each term, determine the coefficient of the term and the variable part of the term.

(3*b*)(9*a*)

### Example 3

For each term, determine the coefficient of the term and the variable part of the term.

2*x* · 7*z*

### Example 4

Are the following like terms?

3*xyz* and 4π*xyz*

### Example 5

Are the following like terms?

3*xy*^{2}*z* and 5*xyz*^{2}

### Example 6

Are the following like terms?

57 and 84

### Example 7

Combine like terms.

3*x* + 3*y* - 4*x* + 2

### Example 8

Combine like terms.

4*x* - 7*y* + 3*x*^{2} -* y*

### Example 9

Combine like terms.

*x* - *y* + 2 - *y*

### Example 10

Combine like terms.

### Example 11

Combine like terms.