document.write( "Question 475541: Solve each system of equation by substitution or addition? Plot the solution x+y=14, 4x-y=-14 \n" ); document.write( "
Algebra.Com's Answer #326096 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
duplicate \n" ); document.write( "
\n" );