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Solving Equations 2(5x +3) = 4x - 6 X=?? Created by: Ms. Dufour.

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Presentation on theme: "Solving Equations 2(5x +3) = 4x - 6 X=?? Created by: Ms. Dufour."— Presentation transcript:

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2 Solving Equations 2(5x +3) = 4x - 6 X=?? Created by: Ms. Dufour

3 How do we solve equations? 2(5x +3) = 4x - 6

4 Distribute any terms that are outside of a set of parenthesis. 2(5x +3) = 4x – 6 10x + 6 = 4x - 6

5 How do we solve equations? 2(5x +3) = 4x - 6 Combine any like terms that are on the same side of the equal sign. 10x + 6 = 4x – 6 No like terms!

6 How do we solve equations? 2(5x +3) = 4x - 6 Move all variables to one side of the equal sign. 10x + 6 = 4x – 6 -4x -4x 6x + 6 = -6

7 How do we solve equations? 2(5x +3) = 4x - 6 Move all terms that are hanging out to the other side of the equal sign. 6x + 6 = x = -12

8 How do we solve equations? 2(5x +3) = 4x - 6 Isolate the variable by undoing the operation that is associated with the variable. 6x = X = -2 Multiplication Division undoes

9 How do we solve equations? 2(5x +3) = 4x - 6 Check your solution by replacing your answer! 2(5x +3) = 4x – 6 2(5·-2 + 3) = 4·-2 – 6 2( ) = -8 – 6 2(-7) = = -14 Its right!!

10 Try some of your own… Were going to go to this website vm/nav/frames_asid_ 324_g_3_t_2.html?op en=instructions and balance equations. Complete 10 problems. vm/nav/frames_asid_ 324_g_3_t_2.html?op en=instructions

11 Quiz Yourself Solving multi-step equations bin/msgQuiz.php4?isbn= &chapter=3&lesson=4&headerFile=6&state=m d bin/msgQuiz.php4?isbn= &chapter=3&lesson=4&headerFile=6&state=m d Solving multi-step inequalities bin/msgQuiz.php4?isbn= &chapter=6&lesson=3&headerFile=6&state=m d bin/msgQuiz.php4?isbn= &chapter=6&lesson=3&headerFile=6&state=m d

12 Lets reveal the picture at this site… shockwave/games/equationmatch.html shockwave/games/equationmatch.html

13 Now youre an equation expert Congratulations!!!


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