3 years ago

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

1 answer:

7 0

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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