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10-38.

Solve the equations below by first changing each equation to a simpler equivalent equation. Check your solutions.  

  1.  

    Divide by a common factor, then solve.

  1.  

    Multiply by the denominator to remove the fractions.

    Use factoring or the Quadratic Formula to solve.

  1.  

    Multiply the equation by a common denominator.

  1.  

    See part (c) for help.