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(4/5x-3/2) :15/4=2/3

Răspuns :

4/5 x - 3/2 = 2/3 x 15/4 
4/5x  - 3/2 = 5/2 
4/5x = 5/2 + 3/2 
4/5x = 8/2 = 4 
x = 4 : 4/5 
x = 4 x 5/4 
x = 5