really need help. please help.

Which of the following is the solution to the equation 8^(y + 2) = 2^y ?

Question

really need help. please help.



Which of the following is the solution to the equation 8^(y + 2) = 2^y ?

unklerhaukus · Answer

if you can get both sides of the equation to become   

 2^(something)    =  2^(something else)

you can simplify

         something  =       somethingelse

anonymous · Answer

not ringing any bells cause its so early in the morning......

unklerhaukus · Answer

can you express 8 as a power of two?

unklerhaukus · Answer

have you had your breakfast yet?

austinl · Answer

Breakfast is an important part of mathematics, vital even. You should have your Wheaties before trying to do algebra!
But....
$$2^x=8$$
x=?

unklerhaukus · Answer

$$2^x=\overbrace{2\times2\times\dots\times2}^{x\text{ times}}$$