document.write( "Question 418461: twelve divided by the sum of a number and 2 equals the quotient of 4 and the difference of the number and 2. Find the number? \n" ); document.write( "
Algebra.Com's Answer #292818 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! \"twelve divided by the sum of a number and 2 equals the quotient of 4 and the difference of the number and 2. Find the number?\"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = the number\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "12/(x + 2) = 4/(x - 2) \n" ); document.write( "12(x - 2) = 4(x + 2) {cross-multiplied, since it was a proportion} \n" ); document.write( "12x - 24 = 4x + 8 {used distributive property} \n" ); document.write( "12x = 4x + 32 {added 24 to both sides} \n" ); document.write( "8x = 32 {subtracted 4x from both sides} \n" ); document.write( "x = 4 {divided both sides by 8}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the number is 4 \n" ); document.write( "www.algebrahouse.com \n" ); document.write( " |