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October 21, 2014

October 21, 2014

Posted by **Karli** on Sunday, December 19, 2010 at 8:55pm.

- 5th grade math -
**Jen**, Monday, December 20, 2010 at 9:18amInverse operations are like "opposites", what undoes the operation. Multiplication and division are inverses, as are addition and subtraction. For example, if you have 4x+2=10, you have to use the inverse of addition (subtraction) to get rid of the 2.

4x+2=10

Subtract 2 from both sides.

4x=8

Divide (inverse of multiplication, the 4 is attached to the x by multiplication) both sides by 4

x=2

- 5th grade math -
**Nana**, Wednesday, November 21, 2012 at 3:44pmWhatever

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