SOLUTION: how would you solve log base 2(5x-1)- log base 2(x+7)=1

Question 440270: how would you solve
log base 2(5x-1)- log base 2(x+7)=1
Found 2 solutions by Gogonati, ewatrrr:
Answer by Gogonati(855) (Show Source): You can put this solution on YOUR website!
= =>
,
, solve this rational equation. Assume x different from -7,
multiply both sides by x+7 => => .
Done.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi

(5x-1)/(x+7) = 2^1
5x-1 = 2(x+7)
3x = 15
x = 5
Familiarize Yourself with the Properties of Logarithms

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