Question

a+b+c=7893 a+b=5371;b+c=6782; a? ;b?;c?

Answer 1

(a+b+c)-(a+b)=a+b+c-a-b=c
c=7893-5371=2522
b+c=6782 b+2522=6782
b=4260
a+b=5371 a+4260=5371
a=1111
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Answer 2

(a+b)5371+c=7893 c=7893-5371 c=2522 a+6782 (b+c)=7893 a=7893-6782=1111 b+2522 (c)=6782 b=6782-2522 b=4260 a=1111 b=4260 c=2522