Question

rezolvati in Q ecuatia
(x-2/3)÷1intrg 2/5=5/42 va dau coroana , inima​

Answer 1

Răspuns:

(³⁾x-2/3):1 intreg  2/5=5/42

1 intreg  2/5=(1·5+2)/5=7/5

(3x/3-2/3):7/5=5/42

(3x-2)/3=5/42·7/5

(3x-2)/3=1/6

6(3x-2)=3

18x-12=3

18x=3+12

x=15/18=5/6