document.write( "Question 787842: What is the solution for r+7=3r?
\n" ); document.write( "With an explanation.
\n" ); document.write( "

Algebra.Com's Answer #478334 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"r%2B7=3r\" Start with the given equation.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"r=3r-7\" Subtract \"7\" from both sides.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"r-3r=-7\" Subtract \"3r\" from both sides.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"-2r=-7\" Combine like terms on the left side.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"r=%28-7%29%2F%28-2%29\" Divide both sides by \"-2\" to isolate \"r\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"r=7%2F2\" Reduce.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "----------------------------------------------------------------------\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Answer:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the solution is \"r=7%2F2\"
\n" ); document.write( "
\n" );