document.write( "Question 982435: Solve using substitution.\r
\n" ); document.write( "\n" ); document.write( "4x + 5y = 16
\n" ); document.write( "y = -4
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Algebra.Com's Answer #603244 by rfer(16322)\"\" \"About 
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4x+5*-4=16
\n" ); document.write( "4x-20=16
\n" ); document.write( "4x=16+20
\n" ); document.write( "x=36/4
\n" ); document.write( "x=9
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