document.write( "Question 534627: whats an equation with a variable on both sides that will give me the variable to be 24 ?? \n" ); document.write( "
Algebra.Com's Answer #351612 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "This amounts to working a problem backward:\r\n" ); document.write( "\r\n" ); document.write( "Start with the answer that you want to end up with:\r\n" ); document.write( "\r\n" ); document.write( " x = 24\r\n" ); document.write( "\r\n" ); document.write( "Then multiply both sides by some arbitrary number,\r\n" ); document.write( "say -2\r\n" ); document.write( "\r\n" ); document.write( " -2x = -48\r\n" ); document.write( "\r\n" ); document.write( "Now add an arbitrary multiple of x, say 7x, to both sides:\r\n" ); document.write( "\r\n" ); document.write( " -2x + 7x = -48 + 7x\r\n" ); document.write( "\r\n" ); document.write( "Combine the terms on the left:\r\n" ); document.write( "\r\n" ); document.write( " 5x = -48 + 7x\r\n" ); document.write( "\r\n" ); document.write( "That one will do, but if you like you can add an arbitrary\r\n" ); document.write( "number to both sides, say 17\r\n" ); document.write( "\r\n" ); document.write( " 5x + 17 = -48 + 7x + 17\r\n" ); document.write( "\r\n" ); document.write( "Combine -48 and 17 on the right side: \r\n" ); document.write( "\r\n" ); document.write( " 5x + 17 = -31 + 7x\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "That one has the solution x = 24. You can make as many equations\r\n" ); document.write( "that have the solution x = 24 as you like, choosing different \r\n" ); document.write( "arbitrary numbers from the ones I chose.\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |