Question

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${e}^{4 - 7x} + 11 = 20$
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Answer 1

Answer:

x is about 0.26

Step-by-step explanation:

$e^{4-7x}+11=20$

$e^{4-7x}=9$

$ln(e^{4-7x})=ln(9)$

$4-7x=ln(9)$

$-7x=ln(9)-4$

$x=\frac{ln(9)}{-7} +\frac{4}{7}$

$x=\frac{4-ln(9)}{7}$

$x=0.2575393461$