document.write( "Question 349998: S=180n-360
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Algebra.Com's Answer #250150 by mananth(16946)\"\" \"About 
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S=180n-360
\n" ); document.write( "add 360 to both sides
\n" ); document.write( "s+360 = 180n-360+360
\n" ); document.write( "s+360=180n
\n" ); document.write( "divide by 180
\n" ); document.write( "(s+360)/180 = 180n/180
\n" ); document.write( "s/180 + 360 / 180 = n
\n" ); document.write( "s/180 + 2 = n
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