document.write( "Question 955206: Ho do you solve x+y=3, x=2y by substitution \n" ); document.write( "
Algebra.Com's Answer #583459 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
I would sub for x in the 1st equation.
\n" ); document.write( "
\n" ); document.write( "
\n" );