1. Warm-Up Discuss your solutions with your neighbor Give an example of Distributive Property Simplify the following expression -2(3x – 5) -6x + 10 ** Be prepared to present to class **

2. http://youtu.be/yir86f0Uulw Discuss with your neighbor reasons you should learn math!

3. Fortune 500 Companies We can teach our employees the technical parts of the job, but they need to know how to ask the right questions!! We are looking for people that are reliable and can problem solve!!!

4. Unit 1 Solving Linear Equations

5. Objectives I can use basic algebra strategies to solve equations with one variable

6. Solving Equations 1.Get the variable terms together on the left side of the equation 2.Move all the numbers to the other side of the equation. 3.Always undo the operation with its opposite

7. Vocabulary Terms Variable Like Terms

8. Variable Any letter or symbol used to represent a number that is not known

9. Like Terms Terms that have the same variables raised to the same powers

10. Like Term Activity

11. GUIDED PRACTICE Solve the equation. 1. 4x + 9 = 21 SOLUTION 4x + 9 = 21 Write original equation. Subtract 9 from each side. Divide each side by 4. 4x = 12 x = 3 ANSWER The solution is x = 3.

12. Equations?? What happens to a term anytime you move it to the other side of the = ?

15. Human Equations You should have a 3x5 card Either a Number or Variable Both sides of 3x5 card are used Start Activity

16. GUIDED PRACTICE Solve the equation. 3 5 –2. x + 1 = 4 SOLUTION Write original equation. Simplify. ANSWER The solution is 5. 3 5 – x + 1 = 4 x = – (3) 5 3 x = – 5 Multiply each side by, the reciprocal of. 5 3 – 3 5 – Subtract 1 from each side. 3 5 – x = 3

17. Word Problems The bill for the repair of a car was $420. The cost of parts was $240. The cost of labor was $45 per hour. Write an equation and then solve for how many hours the repair took.

18. Solution: Total cost: $420 Parts: $240 Labor: $45 per hour Possible Equation: Let “x” represent the # of hours 240 + 45x = 420 x = 4 hours

19. Homework WS 1-1: Solving Equations