anonymous
  • anonymous
What is the solution of the system of equations? y = –2x + 5 y = –2x + 20
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
no solution (1, 3) (0, 20) infinitely many solutions
pooja195
  • pooja195
Use substituion we already know the value of y right? Plug E1 into E2 -2x+5= –2x + 20 solve for x
anonymous
  • anonymous
so is it like this -2(2)+5 = _2(2)+20

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pooja195
  • pooja195
Well you cant solve the equation :) Add 2x to both sides. −2x+5+2x=−2x+20+2x 5=20 Subtract 5 from both sides. 5−5=20−5 0=15
anonymous
  • anonymous
sorry but I don't get it
pooja195
  • pooja195
Ok when you have m=m <---meaning 2 of the SAME numbers equaling each other it means that there are infinite solutions m=1 <-----one solutions m=n <---No solutions
pooja195
  • pooja195
in this case once we solve \[\huge~\rm~-2x+5= –2x + 20 \] We get 0=15 therefore there are no solutions to this system of equations
anonymous
  • anonymous
oh okay
pooja195
  • pooja195
Do you understand?
anonymous
  • anonymous
yes I understood a bit, thanks
pooja195
  • pooja195
Let me know if anything is unclear :) And your welcome :)

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