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ebydaqueen17

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

  • one year ago
  • one year ago

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  1. ebydaqueen17
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    CAN U PLEASE SHOW WORK?

    • one year ago
  2. ebydaqueen17
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    nvm

    • one year ago
  3. JakeV8
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    ?

    • one year ago
  4. JakeV8
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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.

    • one year ago
  5. ebydaqueen17
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    right...and i got x=1

    • one year ago
  6. ktnguyen1
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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

    • one year ago
  7. ebydaqueen17
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    thnks

    • one year ago
  8. JakeV8
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    Glad to help... looks like you almost had it on your own :)

    • one year ago
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