mgb5e_ppt_2_3 - 2.3 The Multiplication Property of Equality...

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§ 2.3 The Multiplication Property of Equality
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Martin-Gay, Beginning Algebra, 5ed 2 Multiplication Property of Equality If a , b , and c are real numbers, then a = b and ac = bc are equivalent equations Multiplication Property of Equality Example: y = 8 y = 8 Simplify both sides. ( 1)( y ) = 8( 1) Multiply both sides by –1.
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Martin-Gay, Beginning Algebra, 5ed 3 Example: Solving Equations 9 5 7 1 = x Simplify both sides. 9 35 = x 9 5 7 1 = x Multiply both sides by 7.
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Martin-Gay, Beginning Algebra, 5ed 4 Example: Solving Equations 16 = x Simplify both sides. 8 6 3 x = = 6 8 3 3 8 x Multiply both sides by the fraction.
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mgb5e_ppt_2_3 - 2.3 The Multiplication Property of Equality...

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