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[tex] \frac{5(7x-6)}{7} = 5\frac{5}{7} [/tex]

Răspuns :

5(7x - 6)/7 = 25/7 (5*5/7)
25*7 = 7*5(7x-6)(am inmultit in crucis)
175= 35(7x-6)
175 = 245x -210
175+210 = 245x
385 = 245x
x= 385/245 (simplificam cu 5)
x=77/49 (simplificam cu 7)
x=11/7 (solutia finala)