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2014-04-22T22:24:49+03:00
7c+5p=29 /*-2
3c+2p=12/*5

-14c-10p=-58
15c+10p=60
----------------------(+)
c       /      =2

Deci c=2

7*2+5p=29
14+5p=29
5p=29-14
5p=15
p=15:5
p=3
2014-04-22T23:55:40+03:00
7c+5p=29 /*-2
3c+2p=12/*5
-14c-10p=-58
15c+10p=60
Deci c=2
7*2+5p=29
14+5p=29
5p=29-14
5p=15
p=15:5
p=3