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a fost răspuns

sa se rezolve in Q ecuatiile:a) x+3/2=1/4; 3/4x+2=1/3x; 7/6-4x=3 1/2

Răspuns :

x=1/4-3/2=1/4-6/4
x=-5/4
3/4x-1/3x=-2
(9-4)/12x = -2
5/12x=-2
5=12x *-2
5=-24x
x=-5/24

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