document.write( "Question 772819: Solve by Substitution
\n" ); document.write( "3x-2y=5
\n" ); document.write( "x+2y=15
\n" ); document.write( "Answer in (x,y) form
\n" ); document.write( "

Algebra.Com's Answer #471130 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Solve by Substitution
\n" ); document.write( "3x-2y=5
\n" ); document.write( "x+2y=15 --> x = -2y + 15
\n" ); document.write( "sub for x in the 1st equation.
\n" ); document.write( "
\n" ); document.write( "
\n" );