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