document.write( "Question 986004: . Solve the equation 3x+1/x+1 + 2x-1/x-1=1.
\n" ); document.write( "2. Solve the equation 4/c+3 + 5/c+4 = 6/c+7.
\n" ); document.write( "3. Solve the equation 0.7x - 0.5x^2 - 0.8 = -6.
\n" ); document.write( "4. If x is an integer, solve the inequality -8 <2x-3《13.
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Algebra.Com's Answer #606752 by Boreal(15235)\"\" \"About 
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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
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\n" ); document.write( "check
\n" ); document.write( "2.8-8-0.8=-6
\n" ); document.write( "-1.82+3.38-0.8=-6
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\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
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