Question

3/x+4=6/18
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Answer 1

Răspuns:

$\frac{3}{x} + 4 = \frac{6}{18}$

$\frac{3}{x} = \frac{6}{18} - 4$

$\frac{3}{x} = \frac{6 - 18 \times 4}{18}$

$\frac{3}{x} = \frac{6 - 72}{18}$

$\frac{3}{x} = \frac{ - 66}{18}$

-66x=3×18

-66x=54

$x = \frac{ 54}{ - 66}$

$x = \frac{27}{ - 33}$

$x = \frac{9}{ - 11}$