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rezolvă ecuația:
6 (x+3)-4=2x-42


Răspuns :

6(x+3)-4=2x-42
6x+18-4=2x-42
6x+12=2x-42
6x-2x=-42-12
4x=-54
x=-54/4
6x + 18 -4 = 2x-42
6x+14=2x-42
6x-2x=-42-14
4x=-56
x=-56/4
x=-14
Sper ca am facut bine