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# Equations and Inequalities

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# 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).