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Rezolvati ecuatia: 5( x - 3/5 )= x + 1/3,
Unde X € Q+.


Răspuns :

5x - 5 * 3/5 = x + 1/3
5x - 3 = x + 1/3
4x -3 = 1/3
4x = 3+ 1/3
x = 3,(3)/4
5(x-3/5)=x+13
5x-3= x+13
5x-x=13+3
4x=16
x=16:4
x=4