document.write( "Question 245249: Solve the inequality:
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document.write( "|x+12/x-12|< or equal to 3
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document.write( "Please help \n" );
document.write( "
Algebra.Com's Answer #179220 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve the inequality: \n" ); document.write( "|x+12/x-12|<= 3 \n" ); document.write( "------------- \n" ); document.write( "Looking you can see that x cannot be 12. \n" ); document.write( "--- \n" ); document.write( "Solving the EQUALITY you gt: \n" ); document.write( "(x+12)/(x-12) = 3 or (x+12)/(x-12) = -3 \n" ); document.write( "x+12 = 3x-26 or x+12 = -3x+36 \n" ); document.write( "2x = 38 or 4x = 24 \n" ); document.write( "x = 19 or x = 6 \n" ); document.write( "-------------------------------------- \n" ); document.write( "So, draw a number line and plot x = 6, x = 12, x = 19 \n" ); document.write( "-------------------------------------- \n" ); document.write( "Now find the solutions for the INEQUALITY by checking \n" ); document.write( "a value in each of the four resulting intervals of \n" ); document.write( "the number line. \n" ); document.write( "-------------------------------------- \n" ); document.write( "|x+12/x-12| < 3 \n" ); document.write( "--- \n" ); document.write( "Let x = 0; you get |12/-12| < 3 ; true, so solutions in (-inf,6) \n" ); document.write( "--- \n" ); document.write( "Let x = 10; you get |22/-2} < 3 ; false, so no solutions in (6,12) \n" ); document.write( "--- \n" ); document.write( "Let x = 15; you get |27/3| < 3 ; false, so no solutions in (12,19) \n" ); document.write( "--- \n" ); document.write( "Let x = 25 ; you get |37/13| < 3 ; true, so solutions in (19,+inf) \n" ); document.write( "==================================================================== \n" ); document.write( "Combining the solutions for the EQUALITY and the INEQALITY you get: \n" ); document.write( "(-inf,6] U [19,+inf) \n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |