# Checking Solutions to Equations Exercises

### Example 1

What's the difference between an expression and an equation?

### Example 2

What's a solution to an equation?

### Example 3

Is a solution to the equation

### Example 4

Is *x* = 0.5 a solution to the equation

### Example 5

Is *z* = 4 a solution to the equation

### Example 6

Is *y* = 2 a solution to the equation

### Example 7

Is *y* = -2 a solution to the equation