Algebra

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Answer: Substitution Property of Equality

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Example 3-3b

Answer: Reflexive Property of Equality

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Answer: Transitive Property of Equality

Example 3-3c

Answer: Symmetric Property of Equality

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Example 3-4a

Answer: The solution is 5.5.

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Example 3-4b

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Example 3-4c

Answer: The solution is 36.

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Example 3-4d

Answer: –2

Answer: 15

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Example 3-5a

Answer: The solution is –19.

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Example 3-5b

Answer: –6

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Example 3-6a

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Example 3-6b

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Example 3-6c

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Example 3-6d

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Example 3-7a

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Example 3-7b

Read the Test Item

You are asked to find the value of the expression 4g – 2. Your first thought might be to find the value of g and then evaluate the expression using this value. However, you are not required to find the value of g. Instead, you can use the Subtraction Property of Equality on the given equation to find the value of 4g – 2.

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Example 3-7c

Solve the Test Item

Answer: B

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Example 3-7d

Answer: D

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Example 3-8a

Home Improvement Carl wants to replace the 5 windows in the 2nd-story bedrooms of his home. His neighbor Will is a carpenter and he has agreed to help install them for $250. If Carl has budgeted $1000 for the total cost, what is the maximum amount he can spend on each window?