document.write( "Question 661554: Solve each system of equations of substitution.\r
\n" ); document.write( "\n" ); document.write( "3x-y=8
\n" ); document.write( "x-y=8
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Algebra.Com's Answer #411662 by ReadingBoosters(3246)\"\" \"About 
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3x-y=8
\n" ); document.write( "x-y=8 or x=8+y
\n" ); document.write( "3(8+y)-y=8
\n" ); document.write( "24 + 3y - y = 8
\n" ); document.write( "24 + 2y = 8
\n" ); document.write( "2y = -16
\n" ); document.write( "y = -8
\n" ); document.write( "x = 8+y = 8+(-8)=0
\n" ); document.write( "
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