3 years ago

The system of equations is coincident.

1 answer:

3 0

You should just multiply the first equation by 3 so you will have :
3 ( 3x+y= 7 ) ⇒ 9x + 3y = 21 so now you have the missing values and they are 3 and 21 :))
i hope this is helpful
have a nice day

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