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17-12-2020
Mathematics

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Solve the system of equations 2 + 2y = -20 and x + 3y = -27 by combining the
equations.

Solve the system of equations 2 2y 20 and x 3y 27 by combining the equations class=

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17-12-2020

Answer:

no estoy segura como se debe responder

1 (x + 2y = -20) ----> x*2y= -20

-1 (x + 3y = -27) ----> x-3y= 27

(0) x + (-1) y = 7

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