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Rezolvati ecuatiile in Q+ :
a) 6(3x-2) + 5 = 17x-2


Răspuns :

[tex] 6(3x-2) + 5 = 17x-2 \\ 18x - 12 +5 = 17x - 2 \\ 18x - 7 = 17x - 2 \\ 18x - 17x = 7-2 \\ x = 5[/tex]