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Andreiukca
a fost răspuns

rezolvati ecuatia 7x+2/5= x/2-5/4

Răspuns :

(7x+2)/5=x/2-5/4

4(7x+2)/20=10x/20-25/20

4(7x+2)=10x-25

28x+8=10x-25

28x-10x= -25-8

18x= -33

x= -33/18

x= -11/6