Review of the Addition and Multiplication Properties

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Presentation transcript:

Review of the Addition and Multiplication Properties Section 3.2 Solving Equations: Review of the Addition and Multiplication Properties

Let a, b, and c represent numbers. Addition Property Let a, b, and c represent numbers. If a = b then a + c = b + c If a = b then a – c = b – c

Example Solve and check the equation 2(5x – 3) = 11x

Example Solve and check the equation -4(-2x + 1) – 6x + 4 = 12 - 22

WORD PROBLEMS Translate and Solve A number minus twelve is equal to twenty-nine.

Multiplication Property Let a, b, and c represent numbers, (c≠0). If a = b then a · c = b · c If a = b then a ÷ c = b ÷ c

Example Solve and check the equation -3x – 3x = 50 - 2

Example Solve and check the equation 4−10= 𝑧 −3

WORD PROBLEMS Translate and Solve The product of negative eleven and a number is equal to fifty-five