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Jan 16, 2022
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I need help to please
Mathematics
high-school
Vitalii Vasylenko
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Vitalii Vasylenko
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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
Franklin
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Jan 22, 2022
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