Question

Solve the system of equations
−2x−4y−26−2x−4y=−26 and −3x−3y=−12−3x−3y=−12 by combining the equations.

Answer 1

$\left \{ {{-2x-4y=-26} \atop {-3x-3y=-12}} \right. \\\left \{ {{-6x-24y=-78} \atop {6x+6y=24}} \right.\\-18y=-54\\y=3\\-2x-4*3=-26\\-2x=-14\\x=7\\\\Answer: (7;3)$

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