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Rezolvati ecuatiile in Q+:
a)15x-6\4-3x\2=1
b)6(3x-2)+5=17x-2

Multumesc Frumos!


Răspuns :

a) 15x - 6 x 2/4 - 3x = 1
30x - 12/4 - 3x = 1
30x - 12 = 4 - 3x
30x + 3x = 4 + 12
33x = 16 impartim la 33
x = 16/33, care apartine de Q+

b) 18x - 12 + 5 = 17x - 2
18x - 17x = 12 - 5 - 2
x=5, care apartine de Q+