document.write( "Question 447336: how do you prove your solution is correct in a linear equaton?
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Algebra.Com's Answer #307959 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! how do you prove your solution is correct in a linear equaton?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute the solution back into the original equation. If you get a \n" ); document.write( "true statement, then you do have the correct solution.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Example: \n" ); document.write( "x + 5 = 7 \n" ); document.write( "x = 2 {subtracted 5 from both sides}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute back in: \n" ); document.write( "x + 5 = 7 \n" ); document.write( "2 + 5 = 7 is a true statement, therefore 2 is the correct solution for x. \n" ); document.write( "www.algebrahouse.com \n" ); document.write( " |