Question

a soma doas raízes da equação abaixo é:
(4³) 2x-1= 64

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Answer 1

$\large\sf{}\left( {4}^{3} \right)2x - 1 = 64 \\ \large\sf{} {2}^{6} \times 2x - 1 = 64 \\ \large\sf{} {2}^{7} x - 1 = 64 \\ \large\sf{}128x - 1 = 64 \\ \large\sf{}128x = 64 + 1 \\ \large\sf{}128x = 65 \\ \\ \large\sf{}x = \dfrac{65}{128} \\ \\ {\large\boxed{\boxed{  { \large \sf x\approx0,507812}}}}$

${\large\boxed{\boxed{  { \large \sf Bons~Estudos }}}}$