Question

equação exponencial 10 1-x = 1
10

Answer 1

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$10^{1-x}= \frac{1}{10} \\ \\ 10^{1-x}=10^{-1} \\ \\ 1-x=-1 \\ -x=-1-1 \\ -x=-2 \\ x=2$

Answer 2

$10^{1-x} =1\\\\10^{1-x} = \frac{1}{10} \\ \\ 10^{1-x} = 10^{-1}\\ \\ 1-x=-1\\\\-x=-1-1\\\\ -x=-2\\\\x=2$