SOLUTION: -3+log4(x+7) = -2

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Question 1202916: -3+log4(x+7) = -2
Answer by greenestamps(13215) About Me  (Show Source):
You can put this solution on YOUR website!


-3%2Blog%284%2C%28x%2B7%29%29+=+-2

Add 3 to both sides to get the expression with the log by itself:

log%284%2C%28x%2B7%29%29+=+1

Change the log form to exponential form using the definition of a logarithm:

4%5E1=x%2B7
4=x%2B7
x=-3

ANSWER: x = -3