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a fost răspuns

3x +1 / 4 - 7 - x / 2 - 2 = 4x - 3 / 3 - 9 -5x / 6
Ty.

Răspuns :

Danaradu70
(3x+1-7+x)/4 - 2 = 2(4x-3)/6 - (9-5x)/6
(4x-6)/4 - 2 = (8x-6-9+5x)/6
(2x-3)/2 - 2 = (13x - 15)/6
numitorul comun e 6
3(2x-3)/6 - 12/6 = (13x- 15)/6
(6x-9 -12)/6= (13x-15)/6
egalez numaratorii
6x-21=13x-15
13x-6x=15-21
7x= -6
x= -6/7

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