yeet3214
yeet3214
28-02-2021
Mathematics
contestada
I need help to please
Respuesta :
dzkig1738
dzkig1738
28-02-2021
Since y=7x we can replace the y in the second equation with 7x
-5x+14x=9
x=1
Now plug in to get 7 for y, since 7x=y
Answer: x=1, y=7
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