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# Day 6 combining like terms equations day 2

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### Day 6 combining like terms equations day 2

1. 1. 1 Do Now Solve the following equation and SHOW YOUR CHECK. -2x - 2(x - 6) = -4x - 4 - 8 + 6x AIM: Solving Multi- Step Equations by Combining Like Terms
2. 2. 2 Homework: Pages 566-567 #1-3 all, 8, 9, 45
3. 3. 3 Anticipatory Set 1.) Find, explain, and correct the mistake in the following example. -9x - 4 + 7x + 10 = -20 -2x - 6 = -20 + 6 + 6 -2x = -14 -2 -2 x = 7
4. 4. 4 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 3.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify by combining like terms. 7p - 6 + 4p = -39 1
5. 5. 5 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 3.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify by combining like terms. 28 = 16y - 4 - 8y 2
6. 6. 6 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 3.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify by combining like terms. -5x + 9 + 2x = -30 3
7. 7. 7 -5x + 9 + 2x = -30
8. 8. 8 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 3.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify by combining like terms. 8a - 9 - 2 - a = 24 4
9. 9. 9 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 3.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify by combining like terms. 60 = -2x - 2 - 4x + 20 5
10. 10. 10 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 3.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify by combining like terms. -z + 18 + 4z = 6 6
11. 11. 11 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 3.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify by combining like terms. 9m - 6 + 16 - 14m = -5 7
12. 12. 12 Tiffany works at Carrabra‛s Restaurant. She works an equal number of hours on Friday night and on Saturday night. On Friday night, Tiffany waitresses at the restaurant earning \$8 an hour plus \$61 in tips. On Saturday, she works as a hostess earning \$10 an hour. Last weekend, Tiffany earned a total of \$187. How many hours did Tiffany work on Friday night as a waitress at Carrabra‛s Restaurant? Let x = ______________
13. 13. 13 Before You Leave Explain, in complete sentences, how you simplify a multistep equation into a two-step equation.
14. 14. 14 Homework: Pages 566-567 #10-13 all Mr. Tjersland's Math 7
15. 15. 15 AIM: Solving Multi-Step Equations by Combining Like Terms 9m - 6 + 16 - 14m = -5
16. 16. 16 9m - 6 + 16 - 14m = -5
17. 17. 17 8a - 9 - 2 - a = 24