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Solve log7(x+9)-log7(10)​

Solve log7(x+9)-log7(10)​
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Solve log7(x+9)-log7(10)​

Solve log7(x+9)-log7(10)​-example-1
User Cosmin Atanasiu
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1 Answer

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\log_7(x+9)-\log_710=\log_77\qquad(x > -9)\\\log_7(x+9)/(10)=1\\(x+9)/(10)=7\\x+9=70\\x=61

User Ernelli
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