# Simplifying Equations Exercises

### Example 1

Solve the equation 7*y* = -21.

### Example 2

Solve the equation *z* + 2*z* – 3 = 4(*z* – 1).

### Example 3

Solve the equation 3(*y* + 1) – 2(4 – 2*y*) = *y.*

### Example 4

Solve the equation 0.5*x* – 2 + 0.25 = 0.25(*x* – 2).

### Example 5

Solve the equation 3(1 *– x*) – 2(5 – 5*x*) = 2*x* + 3(1 + 5).