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19-04-2018
Mathematics

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Graph each equation. Determine the solution of the system of equations. x+2y=12 7x+2y=0

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Аноним Аноним

19-04-2018

x + 2y = 12
7x + 2y = 0 Subtract:-

-6x + 0 = 12
x = -2

Substituting in first equation:-
-2 + 2y = 12
2y = 14
y = 7

Solution is x = -2,y = 7

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