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  • 23-04-2020
  • Mathematics
contestada

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