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blondinia [14]
3 years ago
5

The system of equations is coincident.

Mathematics
1 answer:
barxatty [35]3 years ago
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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