document.write( "Question 927257: Hello, I want to know if you guys can please explain me how to solve an equation using substitution and elimination. For example, how do I solve:
\n" ); document.write( " x-5y=-31
\n" ); document.write( " x+20y=-151
\n" ); document.write( "Using both substitution and elimination?
\n" ); document.write( "Thank you.
\n" ); document.write( "

Algebra.Com's Answer #562838 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Yes, we can. \n" ); document.write( "
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