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What is the value of x if 5x+^2 = 5^9? A.X=-11 B.X=-7 C.X= 7 D.X= 11

What is the value of x if 5x+^2 = 5^9? A.X=-11 B.X=-7 C.X= 7 D.X= 11
asked 168k views
2 votes
What is the value of x if 5x+^2 = 5^9?
A.X=-11
B.X=-7
C.X= 7
D.X= 11

asked
User Boguz
by
7.6k points

1 Answer

3 votes

Answer: C) x = 7

Explanation:


5^x^+^2=5^9

Since we have the same base, equal the exponents.


x+2=9\\x=9-2\\x=7

answered
User Bhanuchandar Challa
by
8.6k points
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