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Ma puteti ajuta la 2x{3x3x11:[2x2+(1x3-X)x2+1]}-18=0
Va rog!


Răspuns :

2x{99:[4+(3-X)x2+1]}-18=0
2x[99:(4+6-2x+1)]=18
99:(11-2x)=9
11-2x=11
11-11=2x
0=2x
x=0