document.write( "Question 251718: n-6 n-5
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document.write( "3n 3n+1
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Algebra.Com's Answer #183414 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! n-6 n-5 \n" ); document.write( "--- = --- \n" ); document.write( "3n 3n+1 \n" ); document.write( "cross multiply. \n" ); document.write( "3n(n-5)=(n-6)(3n+1) \n" ); document.write( "3n^2-15n=3n^2-17n-6 \n" ); document.write( "3n^3-3n^2-15n+17n=-6 \n" ); document.write( "2n=-6 \n" ); document.write( "n=-6/2 \n" ); document.write( "n=-3 ans. \n" ); document.write( "Proof: \n" ); document.write( "(-3-6)/-3*3=(-3-5)/(3*-3+1) \n" ); document.write( "-9/-9=-8/(-9+1) \n" ); document.write( "1=-8/-8 \n" ); document.write( "1=1 \n" ); document.write( " |