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efectuati [(x×5+100):10+(-3)]:6=1

Răspuns :

(x*5+100) : 10 -3 = 6
(x*5+100) :10 = 6+3
(x*5+100) :10 =9
x*5 +100 = 9*10
x*5 +100 =90
x*5 = 90-100
x*5= -10
x= -10:5
x=-2