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LiRa [457]
2 years ago
10

Solve systems of three variable equations - how to do :(​

Mathematics
1 answer:
krek1111 [17]2 years ago
7 0

a= 6-2b-3c

then put that equation inside the first one and then the second one

you get -6*(6-2b-3c)+2b-3c=23

and 5*(6-2b-3c)+4b-3c=-12

14b-15c=59

14b-18c=18/*(-1)

--------------------

3b=41

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