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  • 1. OBJECTIVE: How do we solve equations with variables on both sides? Do Now Weekly Quiz #7 1
  • 2. Weekly Quiz #7 Solve the following equations and SHOW YOUR CHECKS! a.) -2(x - 5) = -16 b.) -4x - 6 - 2x + 12 = -6 2
  • 3. 3
  • 4. Anticipatory Set Anticipatory Set: In a complete sentence, describe how you would use inverse operations to eliminate having variables on both sides. 49 + 3x = 4x + 14 How do we move terms from one side of the equation to another? 4
  • 5. ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Use inverse operations 4x - 5 = 2x + 15 5
  • 6. 4x - 5 = 2x + 15 6
  • 7. ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Use inverse operations 9x = 6x + 21 7
  • 8. ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Use inverse operations 2k = 18 - 4k 8
  • 9. ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Use inverse operations -5y - 14 = 2y 9
  • 10. -5y - 14 = 2y 10
  • 11. ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Use inverse operations 3x = 5x + 18 11
  • 12. ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Use inverse operations 8w - 9 = 3w + 16 12
  • 13. ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Use inverse operations -12x - 10 = -6x + 14 13
  • 14. -12x - 10 = -6x + 14 14
  • 15. ALGEBRA The Search for Unknowns Objective: Isolate the variable to find its value RULES 1.) Keep the equation balanced 2.) Simplify each side by combining like terms and using the distributive property. 3.) Use inverse operations 49 - 3x = 4x + 14 15
  • 16. Before You Leave Describe, in a complete sentence, how you would decide which variable term to add or subtract on both sides of the equation -3x + 7 = 4x - 9. 16
  • 17. Mr. Tjersland's Math 7 Homework: Pages 570-571 #4, 5, 8-12 all, 20, 35-39 all 17