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algebra

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for which values of a and b does the following pair of linear equation have an infinite number of solution ? 2x+3y=7 (a-b)x+(a+b)y=3a+b-2

  • algebra - ,

    a-b=2
    a+b=3
    so
    a=5/2
    b=1/2

    that gives

    2x+3y=6

    WAK! No solutions, rather than an infinite number. Is there a typo somewhere?

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