document.write( "Question 22690: Solve for x;
\n" ); document.write( "1/12 + 1/x = 1/5\r
\n" ); document.write( "\n" ); document.write( "Also, another problem, again solve for x
\n" ); document.write( "16/x-3 - 24/x+4 + 13\r
\n" ); document.write( "\n" ); document.write( "thank you
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Algebra.Com's Answer #11108 by mahan6221(2)\"\" \"About 
You can put this solution on YOUR website!
1/12 + 1/x = 1/5
\n" ); document.write( "=> 1/x = 1/5 – 1/12
\n" ); document.write( "=> 1/x = (12 – 5)/60
\n" ); document.write( "=> 1/x = 7/60
\n" ); document.write( "=> x = 60/7
\n" ); document.write( "----------------------------
\n" ); document.write( "16/(x-3) – 24/(x+4) + 13
\n" ); document.write( "=> 16/(x-3) – 24/(x+4) + 13 = 0
\n" ); document.write( "=> 16(x+4)-24(x-3) + 13(x-3)(x+4) =0
\n" ); document.write( "=> 16(x+4)-24(x-3) + 13( x^2 + x -12) =0
\n" ); document.write( "=> 13(x^2) + 5x – 20 = 0
\n" ); document.write( "=> x = [-5 (+/-) ( 25 - 4*13*(-20))^(1/2)]/2*13
\n" ); document.write( " x= [-5(*/-) 32.63]/26
\n" ); document.write( " X1= 1.6 or X2= - 1.44
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