Solve:

How do you cross multiply with this equation?

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What do you do here? The first thing I did is putting everything to a common base and distributing the exponents then what?

Textbook Answer:-1

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Solve:

Do you move to the right and solve? I did this and I get a different answer from my textbook.

My answer:

Textbook answer: -3

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Solve:

My Work:

Textbook Answer:-1

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Solve:

My Work:

Textbook Answer: -1

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Solve:

My work:

Textbook answer: -2

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Solve:

My Work:

Textbook Answer: 4