Răspunsuri

2014-10-06T21:58:45+03:00
1+{2-(3+(x-4):5):6}*7=8
1+{2-[3+(x-4)/5]:6}
·7=8
1+{2-[(15+x-4)/5]:6}·7=8
1+{2-(x+11)/5·1/6}·7=8
1+[2-(x+11)/30]·7=8
1+(60-x+11)/30·7=8
1+(71-x)/30·7=8
7·(71-x)/30=8-1
7·(71-x)/30=7
71-x=7·30/7
-x=30-71
-x=-41     (-1)
x=41
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