Question

1 - Na figura, sendo a // b l/c, o valor de x é:
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Answer 1

Resposta:

$\frac{3}{4x + 1} = \frac{2}{3x} \\ \\ 2(4x + 1) = 3(3x) \\ \\ 8x + 2 = 9x \\ \\ 2 = 9x - 8x \\ \\ 9x - 8x = 2 \\ \\ \blue{x = 2}$

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