document.write( "Question 126409: I3x+4I The I is absolute value sign. What do I do? Thanks
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document.write( "_____ = 2
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document.write( "I2x+4I \n" );
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Algebra.Com's Answer #92618 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I3x+4I The I is absolute value sign. What do I do? Thanks \n" ); document.write( "_____ = 2 \n" ); document.write( "I2x+4I \n" ); document.write( "---------------- \n" ); document.write( "You have to examine the possibilities: \n" ); document.write( "If 3x+4 and 2x+4 are both positive your problem becomes: \n" ); document.write( "(3x+4)/(2x+4) = 2 \n" ); document.write( "3x+4 = 4x+8 \n" ); document.write( "x = -4 \n" ); document.write( "Test this value: |-12+4|/|-8+4|=2 \n" ); document.write( "True \n" ); document.write( "------------ \n" ); document.write( "If 3x+4 is negative and 2x+4 is positive you get: \n" ); document.write( "-(3x+4)/(2x+4) = 2 \n" ); document.write( "-3x-4 = 4x+8 \n" ); document.write( "7x = -12 \n" ); document.write( "x = -12/7 \n" ); document.write( "Test this value: |-36/7 + 28/7|/|-24/7 +28/7] = 2 \n" ); document.write( "True \n" ); document.write( "------------ \n" ); document.write( "Final Answer: x=-4 or x = -12/7 \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |