1.1 One and Two Step Equations Notes - District 131

[Pages:8]1.1 One and Two Step Equations

August 21, 2018

Unit 1: Solving Equations Review

Section 1.1: One and Two Step Equations

Objective: I can solve one and two step equations using inverse operations.

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1.1 One and Two Step Equations

August 21, 2018

Inverse Operations: Math operations that are the opposite of and "undo" each other.

Examples: + and x and ?

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1.1 One and Two Step Equations

August 21, 2018

Try: 1) x + 7 = 2

2) 6 + x = 19

3) x 12 = 11 4) x 5 = 14

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1.1 One and Two Step Equations

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5) 3x = 18 6) 4x = 64

7)

x 7

=

9

8)

x 6

=

2

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1.1 One and Two Step Equations

August 21, 2018

Two Step Equations

Reminders: 1) Move the numbers farther from the variable before those closer. 2) Whatever you do on one side, you have to do on the other. 3) Be very careful with negatives!

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1.1 One and Two Step Equations

August 21, 2018

Examples: 9) 3x 7 = 5

10) 4x + 11 = 19

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1.1 One and Two Step Equations

August 21, 2018

Try: 11) 7x + 15 = 48

12) x 17 = 9

13)

x 3

11

=

5

14)

x 7

+

8

=

1

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1.1 One and Two Step Equations

August 21, 2018

Homework: Section 1.1 in Practice Packet.

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