document.write( "Question 364655: Hi, I have a question about an equation. My equation says solve for p.\r
\n" ); document.write( "\n" ); document.write( "3p-7p + 22 = 2 \r
\n" ); document.write( "\n" ); document.write( "I got an answer of -5 or p = -5. Why is that not right? I checked it over and got the same answer. Can you explain?
\n" ); document.write( "

Algebra.Com's Answer #260026 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"3p-7p+%2B+22+=+2\"
\n" ); document.write( "\"-4p%2B22=2\"
\n" ); document.write( "\"-4p=-20\"
\n" ); document.write( "\"highlight%28p=5%29\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "You can always check a solution by putting it back into the original equation.
\n" ); document.write( "\"3p-7p%2B22=2\"
\n" ); document.write( "\"3%28-5%29-7%28-5%29%2B22=2\"
\n" ); document.write( "\"-15%2B35%2B22=2\"
\n" ); document.write( "\"20%2B22=2\"
\n" ); document.write( "\"42=2\"
\n" ); document.write( "So then, \"p=-5\" cannot be the solution since it doesn't lead to a true statement.
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "\"3p-7p%2B22=2\"
\n" ); document.write( "\"3%285%29-7%285%29%2B22=2\"
\n" ); document.write( "\"15-35%2B22=2\"
\n" ); document.write( "\"-20%2B22=2\"
\n" ); document.write( "\"2=2\"
\n" ); document.write( "True, so \"p=5\" is the correct solution.
\n" ); document.write( "
\n" );