document.write( "Question 885500: if 3x+5x+9x+12x=319,then 6x+3=? \n" ); document.write( "
Algebra.Com's Answer #535231 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"3x%2B5x%2B9x%2B12x=319\" Start with the given equation.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"29x=319\" Combine like terms on the left side.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=%28319%29%2F%2829%29\" Divide both sides by \"29\" to isolate \"x\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=11\" Reduce.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Now plug x = 11 into \"6x+%2B+3\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"6x+%2B+3+=+6%2A11%2B3\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"6x+%2B+3+=+69\"\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, \"6x+%2B+3+=+69\"
\n" ); document.write( "
\n" );