# AlgebraPage 4

#### WATCH ALL SLIDES

Answer: Substitution Property of Equality

Slide 44 Example 3-3b

Answer: Reflexive Property of Equality

Slide 45 Answer: Transitive Property of Equality

Example 3-3c

Answer: Symmetric Property of Equality

Slide 46 Example 3-4a

Answer: The solution is 5.5.

Slide 47 Example 3-4b

Slide 48 Example 3-4c

Answer: The solution is 36.

Slide 49 Example 3-4d

Slide 50 Example 3-5a

Answer: The solution is –19.

Slide 51 Example 3-5b

Slide 52 Example 3-6a

Slide 53 Example 3-6b

Slide 54 Example 3-6c

Slide 55 Example 3-6d

Slide 56 Example 3-7a

Slide 57 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.

Slide 58 Example 3-7c

Solve the Test Item

Slide 59 Example 3-7d

Slide 60 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?

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