document.write( "Question 205936: Help pls. It's confusing.\r
\n" ); document.write( "\n" ); document.write( "Karla weighs 42 lbs more than mara. Their combined weight is 68lbs. less than three times Mara's weight. How much does Karla weigh?
\n" ); document.write( "

Algebra.Com's Answer #155521 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
mara=x=110
\n" ); document.write( "karla=x+42=152
\n" ); document.write( "total=3x-68
\n" ); document.write( "--------------
\n" ); document.write( "x+(x+42)=3x-68
\n" ); document.write( "2x+42=3x-68
\n" ); document.write( "-x=-110
\n" ); document.write( "x=110
\n" ); document.write( "
\n" ); document.write( "
\n" );