Question

If 25^x-1 = 5^2x – 1 – 100, then find x.
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Answer 1

Answer:

x= 2

Step-by-step explanation:

5^2(x-1) = 5^2x-1 -100

5^2x-2 = 5^2x-1 -100

5^2x-2 - 5^2x-1 = 100

5^2x -1[5^-1 -1] =100

5^2x-1(-4/5)=100

5^2x . 5^-1 (-4/5) =100

5^2x .4/5^2 =100

5^2x= 5^4

2x=4

x=2

Hope it helps you