Question

Aratati ca:
$( \frac{2}{7})^{ - 1} + \sqrt{ \frac{9}{4} } - 2 = 3$
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Answer 1

$( \frac{2}{7} ) {}^{ - 1} + \sqrt{ \frac{9}{4} } - 2 = 3$

$\frac{7}{2} + \frac{3}{2} - 2 = 3$

$3 = 3$