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2x-7=4x +3 Rezolvati ecuatia

Răspuns :

2x - 7 = 4x + 3 
- 7 - 3 = 4x-2x
   - 10 = 2x
       x = -10:2 = - 5.
2x-7=4x+3
-7-3=4x-2x
-10=2x
x=-5
verificare
2*-5-7=4*-5+3
-10-7=-20+3
-17=-17