Question

find x if log(x-30)=1

Answer 1

Answer:

x=40

Step-by-step explanation:

$log_{10}(x - 30) = 1 \\ we \: know \: log_{a} b = c \\ then \: b = {a}^{c} \\ hence \\ x - 30 = (10) {}^{1 \\ } \\ x - 30 = 10 \\ x = 40$

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Answer 2

Answer:

answer is x=40

Step-by-step explanation: