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Rational Expressionsmedium
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If kx−2+3x+1=7x+1x2−x−2\frac{k}{x-2} + \frac{3}{x+1} = \frac{7x+1}{x^2-x-2}x−2k​+x+13​=x2−x−27x+1​ is true for all xxx where the expression is defined, what is the value of kkk?