document.write( "Question 830109: Solve the system by the substitution method.\r
\n" ); document.write( "\n" ); document.write( "Y=6x+10
\n" ); document.write( "Y=-4x-20
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Algebra.Com's Answer #500349 by Alan3354(69443)\"\" \"About 
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Solve the system by the substitution method.\r
\n" ); document.write( "\n" ); document.write( "Y=6x+10
\n" ); document.write( "Y=-4x-20
\n" ); document.write( "-------------
\n" ); document.write( "Since both = y
\n" ); document.write( "Solve the system by the substitution method.\r
\n" ); document.write( "\n" ); document.write( "6x+10 = -4x-20
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