daivikraj872 daivikraj872
  • 24-04-2020
  • Mathematics
contestada

Please Help Fast!!! 20 points


Solve the system of equations: y−x=20 2x−15y=−1

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Аноним Аноним
  • 24-04-2020
isolate y: 2x-15(20+x)=-1
isolate x: 20-23 = -3
substitute: x = -23
answer: (-23, -3)
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ryanbarham128 ryanbarham128
  • 24-04-2020

Answer:

x= 15y - 1

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         2

Step-by-step example

you should use cymath it help with equations

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