SOLUTION: can somebody help me solve this equation {{{2^(x+1)8^(-x) =4}}}

Question 169003This question is from textbook college algebra
: can somebody help me solve this equation This question is from textbook college algebra

Found 2 solutions by Alan3354, Earlsdon:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!

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1-2x = 2
x = -1/2

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve for x:
Substitute and
Perform the indicated multiplication by adding the exponents.
Simplify the left side.
The bases (2) are equal so the exponents are equal.
Subtract 1 from both sides.
Divide both sides by -2.

Check:
Substitute
Substitute and simplify the left side.
Perform the indicated multiplication by adding the exponents.

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