document.write( "Question 408916: Solve by substitution method
\n" ); document.write( "y=40+0.25x
\n" ); document.write( "y=35+0.30x
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Algebra.Com's Answer #288166 by Blued0517(1)\"\" \"About 
You can put this solution on YOUR website!
x=100 \n" ); document.write( "
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