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ebydaqueen17 Group Title

X-2Y=-1 3X+2Y=5 2X-4Y+Z=-1 SOLVE BY ADDITION

  • 2 years ago
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  1. ebydaqueen17 Group Title
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    CAN U PLEASE SHOW WORK?

    • 2 years ago
  2. ebydaqueen17 Group Title
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    nvm

    • 2 years ago
  3. JakeV8 Group Title
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    ?

    • 2 years ago
  4. JakeV8 Group Title
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    Start by adding the first two equations together... notice the -2y in the first and 2y in the second will cancel.

    • 2 years ago
  5. ebydaqueen17 Group Title
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    right...and i got x=1

    • 2 years ago
  6. ktnguyen1 Group Title
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    Add first two together you get 4x=4 X=1 put this value first equation you get 1-2y=-1 Y=1 put these two values of x,y to #3 equaltion you get 2-4+z=-1 Z=1

    • 2 years ago
  7. ebydaqueen17 Group Title
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    thnks

    • 2 years ago
  8. JakeV8 Group Title
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    Glad to help... looks like you almost had it on your own :)

    • 2 years ago
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