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2a-b-4c-1-a-3c-2-3a-4b-c-4-a-b-c-




Question Number 11283 by suci last updated on 19/Mar/17
2a+b+4c....(1)  a+3c....(2)  −3a−4b−c....(4)  a=..??  b=..??  c=..??
2a+b+4c.(1)a+3c.(2)3a4bc.(4)a=..??b=..??c=..??

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