document.write( "Question 94498: 25x = 91 - 16y
\n" ); document.write( "16y = 64 - 16x
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Algebra.Com's Answer #68846 by checkley71(8403)\"\" \"About 
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25X=91-16Y
\n" ); document.write( "-16X=-64+16Y NOW ADD THESE 2 EQUATIONS.
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\n" ); document.write( "9X=27
\n" ); document.write( "X=27/9
\n" ); document.write( "X=3 ANSWER.
\n" ); document.write( "25*3=91-16Y
\n" ); document.write( "75-91=-16Y
\n" ); document.write( "-16=-16Y
\n" ); document.write( "Y=16/16
\n" ); document.write( "Y=1 ANSWER.
\n" ); document.write( "PROOF
\n" ); document.write( "-16*3=-64+16*1
\n" ); document.write( "-48=-64+16
\n" ); document.write( "-48=-48
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