Question

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Answer 1

• 
  `\boxed{ \tt{x = - 26}}`

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Answer 2

x = -26

Explanation:

`5^7^x^+^5 =125^2^x^-^7\\\\5^7^x^+^5 =5^3^(^2^x^-^7^)\\\\5^7^x^+^5 =5^6^x^-^2^1`

∴ 7x + 5 = 6x - 21

7x - 6x + 5 = -21

x = -21 - 5

x = -26