PhanicAtTheDil
PhanicAtTheDil
09-05-2017
Mathematics
contestada
Solve-25^x=125^x-7
*Thx*
Respuesta :
irspow
irspow
09-05-2017
If that is:
-25^x=125^(x-7)
-5^2^x=5^3^(x-7)
-5^(2x)=5^(3x-21)
5^(3x-21)-5^(2x)=0 for this to be true
3x-21=2x
x-21=0
x=21
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