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# Combining Like Terms Exercises

### Example 1

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

xy2

### Example 2

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

(3b)(9a)

### Example 3

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

2x · 7z

### Example 4

Are the following like terms?

3xyz and 4πxyz

### Example 5

Are the following like terms?

3xy2z and 5xyz2

### Example 6

Are the following like terms?

57 and 84

### Example 7

Combine like terms.

3x + 3y – 4x + 2

### Example 8

Combine like terms.

4x – 7y + 3x2 y

### Example 9

Combine like terms.

xy + 2 – y

### Example 10

Combine like terms.

### Example 11

Combine like terms.