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112+2x+29=10 ridicat la 3
5x+52-31=30 ridicat la 2-19
URGENT
DAU COROANA


Răspuns :

112+2x+29=10 la puterea 3
112+2x+29=1000
2x=1000-29-112
2x=859
x=859/2
x=429,5