document.write( "Question 986004: . Solve the equation 3x+1/x+1 + 2x-1/x-1=1.
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document.write( "2. Solve the equation 4/c+3 + 5/c+4 = 6/c+7.
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document.write( "3. Solve the equation 0.7x - 0.5x^2 - 0.8 = -6.
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document.write( "4. If x is an integer, solve the inequality -8 <2x-3《13. \n" );
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Algebra.Com's Answer #606752 by Boreal(15235) You can put this solution on YOUR website! 3. Multiply everything by 10 \n" ); document.write( "7x-5x^2-8=-60 \n" ); document.write( "-5x^2+7x+52=0 \n" ); document.write( "5x^2-7x-52=0 \n" ); document.write( "(5x+13)(x-4)=0 \n" ); document.write( "x=-13/5 \n" ); document.write( "x=4 \n" ); document.write( "; \n" ); document.write( "check \n" ); document.write( "2.8-8-0.8=-6 \n" ); document.write( "-1.82+3.38-0.8=-6 \n" ); document.write( "============ \n" ); document.write( "4. -8<2x-3<13 \n" ); document.write( "add 3 to everything \n" ); document.write( "-5<2x<16 \n" ); document.write( "-2.5 less than x less than 8 \n" ); document.write( " \n" ); document.write( " |