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anonymous

  • one year ago

solve algebraically x-3y-3z=0 2x+5y-5z=1 -x+5y-6z=-9

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  1. triciaal
    • one year ago
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    one approach first pick a variable to eliminate using 2 equations at a time eliminate the same variable you will now have one set of simultaneous equation with 2 variables solve use these values in the expression for the eliminated variable to find that value. always a good practice to check your solution in the original. take a minute to try this then I will work with you if you get stuck. best if you show your work. If you have any questions please ask.

  2. triciaal
    • one year ago
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    why did you close the question while I am working on it? do you still need it ?

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