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3/x+4=6/18
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Răspuns :

Răspuns:

[tex] \frac{3}{x} + 4 = \frac{6}{18} [/tex]

[tex] \frac{3}{x} = \frac{6}{18} - 4[/tex]

[tex] \frac{3}{x} = \frac{6 - 18 \times 4}{18} [/tex]

[tex] \frac{3}{x} = \frac{6 - 72}{18} [/tex]

[tex] \frac{3}{x} = \frac{ - 66}{18} [/tex]

-66x=3×18

-66x=54

[tex]x = \frac{ 54}{ - 66} [/tex]

[tex]x = \frac{27}{ - 33} [/tex]

[tex]x = \frac{9}{ - 11} [/tex]