document.write( "Question 392680: 2s-13t=120
\n" ); document.write( "-14s-91t=-840
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Algebra.Com's Answer #278725 by Alan3354(69443)\"\" \"About 
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2s-13t=120
\n" ); document.write( "-14s-91t=-840
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\n" ); document.write( "14s-91t = 840 (1st eqn x 7)
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\n" ); document.write( "-182t = 0
\n" ); document.write( "t = 0
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\n" ); document.write( "2s - 13*0 = 120
\n" ); document.write( "s = 60
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