jasminebeasley7 jasminebeasley7

13-01-2016
Mathematics

contestada

The system of equations is coincident.

What are the missing values?
3x+y==7
9x+y=
PLease expand if possable.

Respuesta :

13-01-2016

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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