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mgb5e_ppt_2_2

# mgb5e_ppt_2_2 - 2.2 The Addition Property of Equality...

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§ 2.2 The Addition Property of Equality

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Martin-Gay, Beginning Algebra, 5ed 2 Linear Equations Linear equations in one variable can be written in the form ax + b = c , where a , b and c are real numbers, and a 0. Equivalent equations are equations that have the same solution.
Martin-Gay, Beginning Algebra, 5ed 3 Addition Property of Equality If a , b , and c are real numbers, then a = b and a + c = b + c are equivalent equations. Addition Property of Equality z = – 16 Simplify both sides. Example: 8 + (– 8) + z Add –8 to each side. 8 + z = – 8 a.)

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Martin-Gay, Beginning Algebra, 5ed 4 Example: Solving Equations 4 p – 11 – p = 2 + 2 p – 20 3 p – 11 = 2 p – 18 (Simplify both sides.) p = – 7 Simplify both sides. p – 11 = – 18 Simplify both sides. 3 p + (– 2 p ) – 11 = 2 p + (– 2

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mgb5e_ppt_2_2 - 2.2 The Addition Property of Equality...

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