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a fost răspuns

3intregi si 3/5x+1= 2x+9/4.
x=?

Răspuns :

(3 si 3/5)x +1=2x +9/4

[(5*3+3)/5]x +1=2x +9/4

(18/5)x +1=2x +9/4 l  *20

72x+20=40x+45

32x=22

x=22/32

x=11/16