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January 29, 2015

January 29, 2015

Posted by **Marissa** on Wednesday, March 2, 2011 at 8:33pm.

the sample shows operation S9 to come up with

5K=36+2k assuming subtract 9 from the 45

sample shows K=12 how did they come up with that?

- 6th grade Math -
**Ms. Sue**, Wednesday, March 2, 2011 at 8:40pm9 + 5k = 45 + 2K

Subtract 9 from both sides.

5k = 45 - 9 + 2k

Subtract 2k from both sides.

5k - 2k = 36

3k = 36

k = 36/3

k = 12

- 6th grade Math -
**bobbi**, Wednesday, March 2, 2011 at 8:41pm9 +5k = 45 + 2k

-2k -2k

that cancels out now left with

9 + 3k = 45

-9 -9 (-9 form both sides left with)

5k = 36 then divide both sides by 3 and 3 = what

- 6th grade Math -
**Marissa**, Wednesday, March 2, 2011 at 8:42pmThank you!

- 6th grade Math -
**Ms. Sue**, Wednesday, March 2, 2011 at 8:46pmYou're welcome.

- 6th grade Math -
**Anonymous**, Thursday, March 3, 2011 at 8:11pmplease i need help !!! :<

- 6th grade Math -
**Anonymus**, Monday, March 14, 2011 at 5:42pmHI i have the same problem for math hw and i need help doing it to having trouble finding out answer

- 6th grade Math -
**Anonymous**, Tuesday, February 21, 2012 at 9:02pmThis info need a little more explonation or ex. :(

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