**unit 6.4 - solving inequalities by adding and subtracting**

**what do we need to know**

**Difference between equations and inequalities.**

An inequality has more a range of possible answers.

An equation has only one solution.

Be able to solve equations by adding and subtracting.

To solve inequalities by adding and subtracting, we proceed as we would when solving equations by adding and subtracting.

An inequality has more a range of possible answers.

An equation has only one solution.

Be able to solve equations by adding and subtracting.

To solve inequalities by adding and subtracting, we proceed as we would when solving equations by adding and subtracting.

**To solve inequalities by adding and subtracting**

**If you know how to solve equations by adding and subtracting, then you know how to solve inequalities by adding and subtracting... You do exactly the same thing! That is, the procedure is the same!!!**

Take a look at the following example of solving an EQUATION using adding and subtracting:

Take a look at the following example of solving an EQUATION using adding and subtracting:

**Also, remember this to graph inequalities:**

**more information**

**notice how we use addition and subtraction to solve these inequalities:**

**look at the following example of inequalities with a variable in both sides of the sign:**

**this one involves the distributive property:**

**videos that can help**

**interactive online activities**

**WORKSHEETS **

**HERE ARE THE SOLUTIONS OF THE WORKSHEETS GIVEN TO YOU IN CLASS:**

9_6.4_worksheets_-_solutions.pdf | |

File Size: | 4893 kb |

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**REVIEW - WORKBOOK**

workbook_-_unit_6.4.pdf | |

File Size: | 2348 kb |

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