document.write( "Question 620151: \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "\n" ); document.write( " |Multiplying thru by (x-3)(x+3) so as all denominators = 1\n" ); document.write( " 6(x+3) -(x-3) = 51\n" ); document.write( " 5x +21 = 51\n" ); document.write( " 5x = 30\n" ); document.write( " x = 6\n" ); document.write( "