anonymous
  • anonymous
Systems of Equations, please help =) Solve without matrix 5x-y+z=4; x+2y-2=5; 2x+3y-3=5 I have the answer, but have tried multiple time and cannot get it.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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zepdrix
  • zepdrix
System of three equations? :( Oh boy these are not fun lol
zepdrix
  • zepdrix
Oh two of them only involve x and y! yay! :)
zepdrix
  • zepdrix
Start there, with the x/y equations, find a solution for x or y.

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zepdrix
  • zepdrix
\[\large\rm x+2y-2=5\]\[\large\rm 2x+3y-3=5\]Let's get these into `standard form`: In which only x's and y's appear on the left sides of the equations.
zepdrix
  • zepdrix
So we'll add 2, and 3, respectively, ya?\[\large\rm x+2y=7\]\[\large\rm 2x+3y=8\]Ok with that step? :o
anonymous
  • anonymous
Yes. Thank you! So sorry I got distracted.

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