5^(2x-1) - 25^(x-1)=2500
answer is 3
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Answers
Answered by
1
Step-by-step explanation:
5
2x−1
−25
x−1
=2500
5
5
2x
−5
2(x−1)
=2500
5
5
2x
−
25
5
2x
=2500
5
2x
[
5
1
−
25
1
]=2500
5
2x
[
25
4
]=2500
5
2x
=
4
2500×25
5
2x
=15625
5
2x
=5
6
2x=6
x=3
Answered by
84
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