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14 votes
14 votes
How do I do this I am a bit confused ?

How do I do this I am a bit confused ?-example-1
User Americanknight
by
3.2k points

1 Answer

18 votes
18 votes

When you multiply the same number with different exponents together, you add the exponents together.

3^2 + 3^x = 3^7

Adding the two together you have 3^(2 + x = 7)

Solve for x: 2 + x = 7

Subtract 2 from both sides:

x = 5

User Pepi
by
2.7k points
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