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Chapter 2.5

Expression
6c - 25

2b + 14
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MathematicsSecondary Education

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Items in this lesson

Expression
6c - 25

2b + 14

Slide 1 - Slide

Equation
5 = 6c - 25

7b + 4 = 2b + 14

Slide 2 - Slide

Formula
The total cost (c)  of  two-dollar apple each.
c = 2n 
where n is the number of apples.

Slide 3 - Slide

What is the perimeter of the rectangle in expression?
2n + 1
4n - 5
What is the perimeter of the rectangle when n = 2?

Slide 4 - Slide

Slide 5 - Slide

Slide 6 - Slide

Slide 7 - Slide

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Slide 11 - Slide

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