Respuesta :
Answer:
- x = 8
Step-by-step explanation:
Given:
- log₅ (10x - 1) = log₅ (9x + 7)
- 10x - 1 = 9x + 7
- 10x - 9x = 7 + 1
- x = 8
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[tex]\sf{log_{5}}(\tt{10x-1})=\sf{log_{5}}(\tt{9x+7})\\\\10x-1=9x+7\\\\10x-9x=7+1\\\\\pmb{\green{\underline{\sf{x=\frak{8}}}}}[/tex]
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