Answer:
x=8
Explanation:
log (10x-1)= log(9x + 7)
Since both logs are to the same base, the insides must be the same
10x-1 = 9x+7
Subtract 9x from each side
10x -9x-1 = 9x-9x+7
x-1 = 7
Add 1 to each side
x-1+1=7+1
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