Question

найдите корень уравнения:​

Answer 1

.....................

Answer 2

$5 + \frac{7x - 12}{3} = x + 13 \\ 15 + 7x - 12 = 3x + 39 \\ 3 + 7x = 3x + 39 \\ 4x = 36 \\ x = 9 \\ \sqrt{9} = 3$

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