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Intermediate Algebra

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if a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this.

m - 2n = 16,

4m + n = 1

  • Intermediate Algebra -

    this one is not hard to solve,

    mentally double the second equation and add that result to the first one ...
    9m = 18
    m = 2
    mentally sub that into the second equation...
    n = -7

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