Posted by **charlie** on Saturday, November 24, 2012 at 9:54am.

4C =2A + 2B , 2B = A + 3C How many C's will balance the combination of A and B

- math -
**Reiny**, Saturday, November 24, 2012 at 12:19pm
4C = 2A + 2B ----> C = (2A+2B)/4

2B = A+3C ------> C = (2B-A)/3

(2A + 2B)/4 = (2B-A)/3

6A + 6B = 8B - 4A

10A = 2B

B = 5A

into C = (2A+2B)/4

C = (2A + 10A)/4

C = 3A

etc

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**lola**, Wednesday, March 26, 2014 at 9:27am
Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Sove for c

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