(s+25)/2-100x10=5 solve for s
2 answers
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-100*10=-1000
5+-1000=-995=(s+25)/2
-995*2=-1900=s+25
-1990-25=s
-2015=s
5+-1000=-995=(s+25)/2
-995*2=-1900=s+25
-1990-25=s
-2015=s