X + 8y = 11 and -x -10 y=-19 elimination

asked Jan 5, 2020 19.8k views

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6 votes

(x,y) = (-21,4).

x+8y=11,

-1-10y=-19 now equals (x+8y=11)+(-1-10y)=11+-19 simplified equals -2y=-8.

BubbaT answered Jan 9, 2020

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