Homework Help: 6th grade Math

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

9 + 5k = 45 + 2K
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 8:40pm
9 + 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 8:41pm
9 +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 8:42pm
Thank you!
6th grade Math - Ms. Sue, Wednesday, March 2, 2011 at 8:46pm
You're welcome.
6th grade Math - Anonymous, Thursday, March 3, 2011 at 8:11pm
please i need help !!! :<
6th grade Math - Anonymus, Monday, March 14, 2011 at 5:42pm
HI i have the same problem for math hw and i need help doing it to having trouble finding out answer
6th grade Math - Anonymus, Monday, March 14, 2011 at 5:43pm
HI 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 9:02pm
This info need a little more explonation or ex. :(

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