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# D ay 1 add subt

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### D ay 1 add subt

1. 1. AIM: Solving One-Step Equationsinvolving Fractions Do NowWrite and solve an equation for thefollowing. When you multiply a number s by 9 and add 8, the result is the same as the product of the number s and 7. 1
2. 2. x 2
3. 3. Anticipatory SetHow would you solve the following equation? 2 9 x- = 5 10Can you think of a different way to solve the problem? 2 9 x- = 5 10 How could you re-write the problem without denominators? 3
4. 4. 1   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.) Move variable to one side using inverse operations. 4.) Use inverse operations 1 11 x+ = 3 12 4
5. 5. CHECK 1 11x+ = 3 12 5
6. 6. 2   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.) Move variable to one side using inverse operations. 4.) Use inverse operations 9 = x- 1 17 2 6
7. 7. CHECK 9 = x- 117 2 7
8. 8. 3   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.) Move variable to one side using inverse operations. 4.) Use inverse operations 3 -5 x- = 8 7 8
9. 9. 4   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.) Move variable to one side using inverse operations. 4.) Use inverse operations 3 1 x- 1 = 4 4 2 9
10. 10. 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.) Move variable to one side using inverse operations. 4.) Use inverse operations x+1 1 = 7 2 8 10
11. 11. 6   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.) Move variable to one side using inverse operations. 4.) Use inverse operations 3 -9 x+ = 4 10 11
12. 12. Before You Leavea.) Find and correct the error in my work: 5 2 x+ = 7 5 12
13. 13. HomeworkHomework Sheet 13
14. 14. AIM: Solving One-Step Equationsinvolving Fractions 2 9 x- = 5 10 14
15. 15. 3 -5x- = 8 7 15
16. 16. 3 1x- 1 = 4 4 2 16