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rzolvati in z ecuatiile a) 17+x=-3 b) 3-x=5 c) x:(-8) =7

Răspuns :

a) 17 + x = - 3

x = - 3 -17

x = - 20

b) 3 - x = 5

x = 5 - 3

x = 2

c) x : ( - 8 ) = 7

x = 7 × ( - 8)

x = - 56