What is the answer to log_{2}(x+5)=-1 ?

The answer to log_{2}(x+5)=-1 is x=-9/2

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log_{2}(x+5)=-1

lo g_{2} (x + 5) = - 1

x = - \frac{9}{2}

Decimal

x = - 4.5

Solution steps

lo g_{2} (x + 5) = - 1

Apply log rules

x + 5 = \frac{1}{2}

Solve

x + 5 = \frac{1}{2} : x = - \frac{9}{2}

x = - \frac{9}{2}

lo g_{3} (3 x - 3) = 2

- 1 = lo g_{3} (x)

\frac{e}{e - 1} = ln (x) + 1

x, z = ln (x - y)

lo g_{b} (10000) = 2