kerimsuleman24
kerimsuleman24 kerimsuleman24
  • 01-12-2020
  • Mathematics
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Practice elimination by solving the following systems​᠎​​᠎​
-7x-8y=9
-4x+9y=-22

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Аноним Аноним
  • 01-12-2020

Answer:

multiply the first equation by 4

and second by 7 then just subtract second from first

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