Math, asked by Vaibhavkumarmahto, 1 year ago

If (64)^2x-5=4×8^x-5. find x

Answers

Answered by gsnarayana
4
((2)^6)^(2x-5)=(2^2)(2^3)^(x-5)

 2^(6(2x-5))=(2^2)(2)^(3(x-5))

2^(12x-30)=(2^2)2^(3x-15)

(a^m)(a^n)=a^(m+n)

2^(12x-30)=2^(2+3x-15)

comparing exponents on both sides

12x-30=3x-13

9x=17

x=17/9
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