![Lesson 22.notebook October 01, 2012
*FYI...to solve equations..."ISOLATE THE VARIABLE".
...AND..."what we do to one side of the equation...we must do to
the other" [to keep them equal]
*Also...dividing by a fraction really means....
...multiplying by its "reciprocal"!
2](https://image.slidesharecdn.com/8thalg-l2-2-oct1-121001110345-phpapp02/85/8th-alg-L2-2-oct1-2-320.jpg)
8th alg -L2.2--oct1
- 1. Lesson 22.notebook October 01, 2012 Lesson 2.2: *Addition Property of Equality for any real numbers a, b, and c, if a = b, then a + c = b + c *Subtraction Property of Equality for any real numbers a, b, and c, if a = b, then a c = b c *Multiplication Property of Equality for any real numbers a, b, and c, if a = b, then ac = bc *Division Property of Equality for any real numbers a, b, and c, if a = b, then a/c = b/c 1
- 2. Lesson 22.notebook October 01, 2012 *FYI...to solve equations..."ISOLATE THE VARIABLE". ...AND..."what we do to one side of the equation...we must do to the other" [to keep them equal] *Also...dividing by a fraction really means.... ...multiplying by its "reciprocal"! 2
- 3. Lesson 22.notebook October 01, 2012 Lesson 2.2 examples: Solve each equation. Check your answer. A) 104 = y 67 Check: B) 2 n = 10 Check: 3 3
- 4. Lesson 22.notebook October 01, 2012 C) 61 = d + (18) Check: D) 16 (t) = 45 Check: 4
- 5. Lesson 22.notebook October 01, 2012 E) 4 1/5 = 3p Check: F) 2 z Check: 5 45 5