document.write( "Question 361372: Solve the inequality:
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document.write( "-8(z-6) less than or equal to -8z-7\r
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document.write( "a) z is less than or equal to -2 9/16
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document.write( "b) z is less then or equal to 3 7/16
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document.write( "c) all real numbers
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document.write( "d) no solutions\r
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document.write( "I answered (d) no solutions, because I got 0 is less than or equal to -55, but the correct answer was (c). I do not understand why. Please help. Thanks! \n" );
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Algebra.Com's Answer #257692 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve the inequality: \n" ); document.write( "-8(z-6) less than or equal to -8z-7 \n" ); document.write( "------------- \n" ); document.write( "-8z+48 <= -8z-7 \n" ); document.write( "---- \n" ); document.write( "Add 8z to both sides to get: \n" ); document.write( "48 <= -7 \n" ); document.write( "---- \n" ); document.write( "This is a contradiction. \n" ); document.write( "There are no solutions for the original equation \n" ); document.write( "because z on the left cannot equal the z on the \n" ); document.write( "right. \n" ); document.write( "=========== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "a) z is less than or equal to -2 9/16 \n" ); document.write( "b) z is less then or equal to 3 7/16 \n" ); document.write( "c) all real numbers \n" ); document.write( "d) no solutions \n" ); document.write( " \n" ); document.write( " |