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[tex] \frac{2x + 1}{3x + 5} = \frac{9}{17} [/tex]


Răspuns :

2x+1/3x+5=9/17
17(2x+1)=9(3x+5)
34x+17=27x+45
34x-27x=45-17
7x=28
x=28/7
x=4
Raspuns:4.
Bafta!
(2x+1)/(3x+5) = 9/17

17•(2x+1) = 9•(3x+5)

34x + 17 = 27x + 45

34x - 27x = 45 - 17

7x = 28

x = 28/7

x = 4