document.write( "Question 162261: x-7=x+7x\r
\n" ); document.write( "\n" ); document.write( "x-7=8x
\n" ); document.write( "x-x-7=8x-x
\n" ); document.write( "0-7=7x
\n" ); document.write( "-7=7x
\n" ); document.write( "-7/7=7x/7
\n" ); document.write( "-1=x\r
\n" ); document.write( "\n" ); document.write( "Check:
\n" ); document.write( "(-1)-7 ? (-1)+7(-1)
\n" ); document.write( "-1-7? -1-7
\n" ); document.write( "-8=-8 RIGHT!
\n" ); document.write( "

Algebra.Com's Answer #119582 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
x-7=x+7x
\n" ); document.write( "-------------
\n" ); document.write( "Collect terms
\n" ); document.write( "x-7 = 8x
\n" ); document.write( "Subtract x from each side
\n" ); document.write( "-7 = 7x
\n" ); document.write( "x = -1
\n" ); document.write( "
\n" ); document.write( "
\n" );