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2
--- ⋅x + 15 = x dau coroana
3


Răspuns :

2/3 ·x + 15=x
2x/3 + 15/1=x/1 (aducem la acelasi numitor adica 3)
2x+45=3x
2x-3x=45
-x=-45/(-1)
x=45
Sper ca te-am ajutat..

2
--- ⋅x + 15 = x
3

2x+45=3x

2x-3x=-45

-x=-45
x=45