Sunday

April 20, 2014

April 20, 2014

Posted by **Alex** on Saturday, December 2, 2006 at 6:31pm.

1. 3x - 7 = -4

2. 3x - 7 + 7 = -4 + 7

3. 3x + 0 = -4 + 7

4. 3x + 0 = 3

5. 3x = 3

6. (1/3) 3x = 3 (1/3)

7. (1/3) 3x = 1

8. 1x = 1

9. x = 1

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