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davidreed11
21.02.2021 •
Mathematics
HELP!!
Solve for x:
logx - log(x+5) = log2
need step-by-step solution
Solved
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Ответ:
no solution
Step-by-step explanation:
logx - log(x+5) = log2,
logx = log2 + log(x + 5),
Remember that logs of the same base can be added together by multiplying their arguments:
log(x) = log [(x + 5)*2]
We cancel the logarithms by taking the exponents of both sides:
x = (x + 5)*2,
x = - 10
But x = - 10 makes the value undefined, so we say no solution.
Ответ: