Answer:
y = -3
Explanation:
Take the antilog:
(y +5)² = 20/5
y +5 = √4 = 2 . . . . take the positive square root
y = -3 . . . . . . . . . . . subtract 5
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The applicable rules of logarithms are ...
log(a/b) = log(a) -log(b)
log(a^b) = b·log(a)
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