Question

exercitiul 7 (a;b) va rog!!!!!

Answer 1

$\frac{6}{x} = \frac{3}{5} = > 3x = 6 \times 5 = > 3x = 30 = > x = 10$
$\frac{3}{x + 3} = \frac{1}{2} = > x + 3 \times 1 = 2 \times 3 = > x + 3 = 6 = > x = 6 - 3 = > x = 3$
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