document.write( "Question 6353: I'm having trouble solving the equation: (x -7):(x+7) = 2:9.
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Algebra.Com's Answer #3416 by prabhjyot(165)![]() ![]() ![]() You can put this solution on YOUR website! (x -7):(x+7) = 2:9. \n" ); document.write( "This equation can be written as \n" ); document.write( "(x-7)/(x+7)=2/9 \n" ); document.write( "Now cross multiply , we get\r \n" ); document.write( "\n" ); document.write( "2(x+7)= 9(x-7)\r \n" ); document.write( "\n" ); document.write( "2x+ 14 =9x -63 \n" ); document.write( "Combining like terms \n" ); document.write( "2x- 9x= -63 -14\r \n" ); document.write( "\n" ); document.write( "- 7x= -77\r \n" ); document.write( "\n" ); document.write( "x= -77/-7\r \n" ); document.write( "\n" ); document.write( "x= 11 \n" ); document.write( " \n" ); document.write( " |