document.write( "Question 304759: the following equation has denominators that contain variables. for this equation write the value or values of the variable that make a denominator zero. these are the restrictions on the variable. keeping the restrictions in mind, solve the equation.\r
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document.write( "2/x=4/5x+2\r
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document.write( "x= \n" );
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Algebra.Com's Answer #218247 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! 2/x=4/5x+2 \n" ); document.write( "Values that drive the denominator to zero: \n" ); document.write( "x = 0, -2/5 \n" ); document.write( "These are the values that x cannot take. \n" ); document.write( ". \n" ); document.write( "Solving for x: \n" ); document.write( "Cross multiplying: \n" ); document.write( "4x = 2(5x+2) \n" ); document.write( "4x = 10x+4 \n" ); document.write( "-6x = 4 \n" ); document.write( "x = -4/6 \n" ); document.write( "x = -2/3 \n" ); document.write( "Since the solved solution is NOT one of the excluded numbers, this must be the answer.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |