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sa se rezolve in R inecuatia a) 3(2-x)+x<4x+1
5(x-1)+7< si egal 1-3(x+2)
3(1-x)+2(2-2x)<0
5x+1> si egal 2(x-1)+3x+3
5(x+2)+2(x-3)<3(x-1)+4x
URGENT!!!