Question

O triplo de um número mais 5 e igual a 2 sobre 3

Answer 1

$\LARGE\tt{}3x + 5 = {2}^{3} \\ \LARGE\tt{}3x + 5 = 8 \\ \LARGE\tt{}3x = 8 - 5 \\ \LARGE\tt{}3x = 3 \ \\ \\ \ \LARGE\tt{}x = \dfrac{3}{3} \\ \\ \\ \LARGE\tt{}x = 1 \\ \\ \LARGE\tt{} \{x = 1 \}$

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