Răspuns :
46 - ( 35 + 76 : X ) : 3 = 28
X ≠ 0
___________________________
76
46 - ( 35 + —— ) : 3 = 28
X
___________________________
76
35 + ——
X
46 - ________________ = 28
3
___________________________
35X + 76
______________
X
46 - ________________ = 28
3
__________________________
35X + 76
46 - __________ = 28
3X
__________________________
35X + 76
— ____________ = 28-46
3X
__________________________
35X + 76
— __________ = —18
3X
__________________________
35X + 76 = 54X
__________________________
35X - 54X = —76
__________________________
—19X = —76
__________________________
X = 4
X ≠ 0
__________________________
X = 4
46 - ( 35 + 76 : 4 ) : 3 = 28.
