document.write( "Question 690150: 3x + 2(5x + 20) = 170\r
\n" ); document.write( "\n" ); document.write( "x=?
\n" ); document.write( "

Algebra.Com's Answer #426185 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"3x%2B2%285x%2B20%29=170\" Start with the given equation.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3x%2B10x%2B40=170\" Distribute.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"13x%2B40=170\" Combine like terms on the left side.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"13x=170-40\" Subtract \"40\" from both sides.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"13x=130\" Combine like terms on the right side.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=%28130%29%2F%2813%29\" Divide both sides by \"13\" to isolate \"x\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=10\" 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 \"x=10\"
\n" ); document.write( "
\n" ); document.write( "
\n" );