Big Ideas 3.4 Solving Equations Using Multiplication and Division

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Presentation transcript:

Big Ideas 3.4 Solving Equations Using Multiplication and Division

Properties of Equality Multiplication Property of Equality Division Property of Equality

Inverse Operations Undo each other To undo multiplication use the: Division Property of Equality To undo Division use the: Multiplication Property of Equality

Example 1: Solve: -7x = 49

Always remember to reduce the fractions!! Example 2: Solve: -12x = -8 Always remember to reduce the fractions!!

Example 3: Solve: Multiply both sides of the equation by the reciprocal of the coefficient

Example 4: Solve Hint: When you divide fractions multiply by its reciprocal

Example 5: Solve -19.6 =5.6x

Example 6: Solve -20.9y = -250.8

Ex 7:

Ex 8:

Homework Big Ideas Textbook Page 106 (3-23) all