exam Maths Puzzle Numerical Ability

how do i solve for x?



8^x=(1/16)^(x-4)

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exam Other Question

Hello, and thank you for taking my problem,

Solve algebraically: log(base 6)(x + 41) - log(base 6)(x + 1) = 2

Thank you so very much!

Rob Rozier
The demand equation for a certain printer is given by
D = -200p +35,000

The supply equation is predicted to be
S = -p^2+ 400p - 20,000

Find the equilibrium price?

I just need some help on how to start this problem.