document.write( "Question 499370: 5x+9=x+1 \n" ); document.write( "
Algebra.Com's Answer #338078 by Flannery(124)\"\" \"About 
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5x+9=x+1
\n" ); document.write( "4x+9=1
\n" ); document.write( "4x=-8
\n" ); document.write( "x=-2
\n" ); document.write( "5(-2)+9=-2+1
\n" ); document.write( "-10+9=-2+1
\n" ); document.write( "-1=-1
\n" ); document.write( "Q.E.D.
\n" ); document.write( "
\n" );