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cum se rezolva ecuatia 2(x – 3) + 5x – 14 = 7(x – 1) ?

Răspuns :

CarMina03
2(x – 3) + 5x – 14 = 7(x – 1)
2x-6+5x-14=7x-7
7x-20=7x-7
7x-7x=20-7
0≠13
2x-6+5x-14=7x-7 
2x+5x-7x=6-7+14
x=0

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