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3[2+3(x-1)=5(2x+1)
2-[5(2x-1)-2x]=11x


Răspuns :

3(2+3x-3)=10x+5
3(3x-1)=10x+5
9x-3=10x+5
x=-8

2-(10x-5-2x)=11x
2-8x-5=11x
-3=19x
x=[tex] \frac{-3}{19} [/tex]

sau daca era ori ca nu mi-ai raspuns
2(8x-5)=11x
16x-10=11x
6x=10
x=10 supra 6