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c) 4 (3 x 5) +3 (4x-1)= 10x-13​

Răspuns :

Maas10

Răspuns:

4(3×5)+3(4x-1)=10x-13

4×15+12x-3=10x-13

57+12x=10x-13

12x-10x=-13-57

2x=-70 => x=-35

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