Answer:
C. x+log(z)
Step-by-step 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
