14 Ch4 Lesson2 Two­Step Equations ADVANCED.notebook

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November 06, 2017

Vocabulary Review...Multiplicative Inverses: also known as ___________. When multiplied, these two values are equal to ____.

Additive Inverses: When added together, these two values are equal to _____.

Examples:

Examples:

14 Ch4 Lesson2 Two­Step Equations ADVANCED.notebook

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November 06, 2017

Add these to your notes...

ONE STEP EQUATION REVIEWA.) 4

3x = 16 B.) x ­ 25 = 73

C.) 63 ­ x = 94 D.) ­4x = 14

14 Ch4 Lesson2 Two­Step Equations ADVANCED.notebook

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November 06, 2017

Two­step equations: equations that contain two operations to solve.

Example:

1.) Solve. 2x + 3 = 7

Now you try...

a.) 3x + 2 = 20 b.) 5 + 2n = ­1

14 Ch4 Lesson2 Two­Step Equations ADVANCED.notebook

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November 06, 2017

2.) Solve 25 = n ­ 3 14

Example:

Now you try...

­1 = a + 9 12

c.) r ­5 = 725

d.)

14 Ch4 Lesson2 Two­Step Equations ADVANCED.notebook

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November 06, 2017

Example:

3.) Solve. 6 ­ 3x = 21

Now you try...

e.) 10 ­ p = 5223

f.) ­19 = ­3x + 2 g.) ­ 2 = ­18 n­3

14 Ch4 Lesson2 Two­Step Equations ADVANCED.notebook

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November 06, 2017

Example:

4.) Chicago's lowest recorded temperature in degrees Farenheit is ­27o. Solve the equation ­27 = 1.8C + 32 to convert the degrees to Celsius.