Question

solve for x : 5^x-1 =125^3x-1
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Answer 1

Answer:

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Answer 2

$5 ^{x - 1) = 125 ^{3x - 1)$

$5 ^{x - 1) = (5^3)^{3x - 1)$

$5 ^{x - 1) = 5^{9x - 3)$

$x - 1 = 3(3x - 1)$

$x - 1 = 9x - 3$

$8x = 2$

$x = 1 div 4$

$x = 0.25$