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2014-01-22T17:41:06+02:00

6=16-x, rezulta ca 6+x=16, de unde x=16-6, deci x=10
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2014-01-22T17:41:50+02:00
3·2=6
6=16-x⇒x=6-16⇒x= -10
Gresit. 6-16=-x, deci -10=-x, de unde rezuta x=10
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