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56:(x+2)=7 va rogggggggggggg

Răspuns :

x+2=56:7=8. x=8-2 x=6 verif. 56:(6+2)=7
1. Desfaci paranteza. 56:x+56:2=7
Apoi 56:x+28=7
56:x=7-28
56:x=-21
x=-21*56
x=-1176