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Rezolvați ecuatiile in Q+ :
a) 15x-6 / 4 - 3x / 2 = 1

b) 6(3x - 2) + 5 = 17x - 2

c) 2,(3)x + 1intreg si 1/6 = 0, (6)x + 2intregi si 1/3

REPEDE VA ROG !!!

Răspuns :

DarkLighT
a) 15x-6/4-3x/2=1
60x-6-6x=4
54x=10
x=10/54
b)18x-12+5=17x-2
x=12-5-2
x=5
c)7/3*x+7/6=2/3*x+7/3
14x-4x=14-7
10x=7
x=7/10
Icecon2005
a) 15x-6/4-3x/2=1
60x-6-6x=4
54x=10
x=10/54

x=5/27

b)18x-12+5=17x-2
18x-17x=12-5-2
   x=5

c)25x/9+7/6=6x/9+7/3

25*6x+7*9=6*6x+18*7
150x+63=36x+126
150x-36x=126-63
114x=63

x=63/114



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