Find x

8^2x / 8^5 = 8^7

• 8^2x / 8^5 = 8^7
  8^2x = 8^7 * 8^5
  8^2x = 8^(7+5)
  8^2x = 8^12
  Equate the powers
  2x = 12
  x = 6
  
  Ans : x=6
  
• 10 years agoHelpfull: Yes(15) No(1)
• x=6
  8^2x / 8^5 = 8^7
  8^(2x-5) = 8^7
  2x-5=7
  2x=12
  x=6
• 10 years agoHelpfull: Yes(5) No(0)
• 2x-5=7
  so x=6
• 10 years agoHelpfull: Yes(0) No(1)
• 2x-5=7 ==>x=6
• 10 years agoHelpfull: Yes(0) No(0)
• 2x-5=7
  x=6
• 9 years agoHelpfull: Yes(0) No(0)
• 2x-5=7 then x=6
• 9 years agoHelpfull: Yes(0) No(0)
• 8^(-3)*x=8^7
  so,x=8^10
• 8 years agoHelpfull: Yes(0) No(0)
• 2x-5=7=>x=6
• 8 years agoHelpfull: Yes(0) No(0)