Am nevoie de ajutor la acest exercitiu.
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Răspuns:
Explicație pas cu pas:
2(2x+3)-12(x+2)=2x-5+3x 4x+6-12x-24=2x-5+3x
6-24+5=12x-4x+2x+3x -24+11=17x-4x -19=13x x=-13/19