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23-04-2020
Mathematics

contestada

–8x + 9y = –8
y = –8
substetution
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NorbertoF NorbertoF

23-04-2020

If you substitute the -8 in for y you will get -72
You can then add the 72 to the other side and get -8x=64
Dividing by -8 to both sides to get x alone will give you x
X=-8

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