document.write( "Question 407803: Solve by Substitution method
\n" ); document.write( "x=9y+5
\n" ); document.write( "x=3y-1
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Algebra.Com's Answer #287369 by Alan3354(69443)\"\" \"About 
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Sub for x in 1st eqn
\n" ); document.write( "3y-1 = 9y+5
\n" ); document.write( "-6y = 6
\n" ); document.write( "y = -1
\n" ); document.write( "------
\n" ); document.write( "etc
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