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Popular >

ln(5x)+4=7

Solution

ln (5 x) + 4 = 7

Solution

x = \frac{e ^{3}}{5}

+1

Decimal

x = 4.01710 \dots

Solution steps

ln (5 x) + 4 = 7

Move

4

to the right side

ln (5 x) = 3

Apply log rules

5 x = e^{3}

Solve

5 x = e^{3} : x = \frac{e ^{3}}{5}

x = \frac{e ^{3}}{5}

Verify Solutions:

x = \frac{e ^{3}}{5}

True

The solution is

x = \frac{e ^{3}}{5}

Graph

Popular Examples

log_{4}(x+3)= 3/2

lo g_{4} (x + 3) = \frac{3}{2}

lo g_{3} (9 + x) = 4

log_{10}(x)+log_{10}(x-15)=2

lo g_{10} (x) + lo g_{10} (x - 15) = 2

log_{1/6}(0.5+x)=-1

lo g_{\frac{1}{6}} (0.5 + x) = - 1

363=127log_{10}(0.3x)+76

363 = 127 lo g_{10} (0.3 x) + 76

Frequently Asked Questions (FAQ)

What is the answer to ln(5x)+4=7 ?
The answer to ln(5x)+4=7 is x=(e^3)/5
Solve for x: ln(5x)+4=7
The solution is x=(e^3)/5