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Algebra

posted by on .

Solve by elimination method..
3r - 5s = 14
5r + 3s = 46.

  • Algebra - ,

    multiply the first by 3
    the second by 5

    you now have -15s and +15s for the second term of each
    Add them and see what happens
    once you have r, sub it back into the first.

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