First we will do -3 times everything in the parenthesis.
-3 times -4n = 12n
-3 times 30 = -90
SO,
12n - 90 = -30
+90 +90
12n = 60
divide 12 on both sides;
n = 5
This is your answer,
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For this case we have that by definition of properties logarithm is met:

So, rewriting the expression we have:

By definition of logarithm we have to:
is equivalent to
So:

ANswer:

Answer:
So the answer is 3 if Sam are the other 12 add it up the full pizza is 15. I say 3 slices of original pizza is left
Step-by-step explanation: