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February 28, 2015

February 28, 2015

Posted by **casey** on Wednesday, March 2, 2011 at 5:44pm.

x-45=90

n+23.4=36.9

- 5th grade math -
**Ms. Sue**, Wednesday, March 2, 2011 at 5:47pmI'll show you how to work this kind of problem.

n+23.4=36.9

You want to get the knowns on one side and the unknown on the other side.

Subtract 23 from both sides.

n = 36.9 - 23.4

n = 13.5

I'll be glad to check your work on the first problem.

Note: you'll need to add 45 to both sides.

- 5th grade math -
**scooter mupput**, Saturday, March 5, 2011 at 8:10pm13 ;-5

- 5th grade math -
**my cat**, Saturday, March 5, 2011 at 8:14pmmrow

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