10-02-2017
Mathematics

contestada

-8x-2y=-22
16x+7y=17

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Some123 Some123

10-02-2017

2(-8x-2y=-22)
16x+7y=17

-16x-4y=-44
16x+7y=17

3y=-27
y=-9

16x+7(-9)=17
16x+-63=17
16x=80
X=5

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