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Answer:
x=-7
Step-by-step explanation:
5^2x+1/5^3x-2=(5^2)^-2
5^(2x-3x)-(3x-2)=5^-4
5(2x-3x+1+2)=5^-4
5^(3-x)=5^-4
When bases are same values are also Same
3+x=5^-4
x=-4+(-3)
x=-4-3=-7
x=-7
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