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kaheart [24]
3 years ago
5

Solve 3^2y−2=81^2y+1

Mathematics
1 answer:
DENIUS [597]3 years ago
7 0

Answer:

y = -1

Step-by-step explanation:

Solve 3^2y−2=81^2y+1

3^(2y - 2) =   81^(2y + 1)

3^(2y - 2) =   (3^4)^(2y + 1)

3^(2y - 2) = 3^(4*(2y + 1))

3^(2y - 2) = 3^(8y + 4)

2y - 2 = 8y + 4

2y - 2 - 4 = 8y

-6 = 6y

y = -1

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kicyunya [14]
<span><span>Hiya!

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