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2 votes
Please show working out, thanks!

Please show working out, thanks!-example-1
User Blackraven
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1 Answer

2 votes

Answer:

C. x+log(z)

Explanation:

Taking the log of the equation gives ...

log(z) = (x -y)log(1/10) = (x -y)log(10^-1)

log(z) = (x -y)(-1) = y -x

Adding x gives ...

x + log(z) = y . . . . . matches choice C