# Expressions and Equations Exercises

### Example 1

Is the following an expression, an equation, or nonsense?

*x* + *y* - 3*xyz*

### Example 2

Is the following an expression, an equation, or nonsense?

6 + 7 -

### Example 3

Is the following an expression, an equation, or nonsense?

5*x* = 19

### Example 4

Identify the terms in the following expression:

7 + 8*x*

### Example 5

Identify the terms in the following expression:

*xy*^{2} - 67 + 3*y*

### Example 6

Identify the terms in the following expression:

- 42*x* - 11*x*^{2}

### Example 7

Find the factors in the following expression:

(*x* - 2)(3 + *y*)

### Example 8

Find the factors in the following expression:

4(*xyz* - 22 + *z*)

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