steph12 steph12
  • 17-04-2015
  • Mathematics
Answered

(25^(-x+2))=((1/5)^x)



Answer :

konrad509
konrad509 konrad509
  • 17-04-2015
[tex]25^{-x+2}=\left(\dfrac{1}{5}\right)^x\\ 5^{2(-x+2)}=5^{-x}\\ 2(-x+2)=-x\\ -2x+4=-x\\ x=4 [/tex]
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