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# Day 12 multi step equations

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### Day 12 multi step equations

1. 1. 1 Do Now OBJECTIVE: How do we solve multi-step equations? Solve the following equations and SHOW CHECKS! a.) -5(x + 2) = -15 b.) 4x + 14 = -3x - 35
2. 2. 2 Homework: Pages 570-571 #14, 15, 19, 21, 23, 25, 27, 32, 40-43all
3. 3. 3 Anticipatory Set Given a multi-step equation list the steps you would take to get x by itself. 1.) Distributive Property, if needed 2.) Combine Like Terms, if needed 3.) Move Variables to One Side, if needed 4.) Use Inverse Operations to Isolate the Variable
4. 4. 4 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 4.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Move variable to one side using inverse operations. -16 = 6a + 8 - 2a
5. 5. 5 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 4.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Move variable to one side using inverse operations. 4(x - 5) = 20
6. 6. 6 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 4.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Move variable to one side using inverse operations. 2(x + 5) - 7 = 3(x - 2)
7. 7. 7 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 4.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Move variable to one side using inverse operations. 25g = 10g - 30
8. 8. 8 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 4.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Move variable to one side using inverse operations. 9 - 7g = 5g - 15
9. 9. 9 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 4.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Move variable to one side using inverse operations. -y + 9y = 6y - 22
10. 10. 10 -y + 9y = 6y - 22
11. 11. 11 ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 4.) Use inverse operations 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Move variable to one side using inverse operations. -2(2x + 4) = 3(2x - 6)
12. 12. 12 Before You Leave Trade-A-Problem With your group, create an equation similar to one from today's notes. We will then trade with another group and solve.
13. 13. 13 Homework: Homework Sheet Mr. Tjersland's Math 7