Fuatbezgin23rans
Answered

8a-2b+6c=18
3a-7b+c=8

a+b+C=?

Sagot :

Brncskn02rans

Cevap:

2

ikinci denklemi eksiyle çarpıp iki denklemi toplarız.

Bu da 5a+5b+5c=10 olur.O da a+b+c=2 olur.

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