Selesaikan ln (x-4) = ln x - 4 dalam bentuk e.
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![\ln (x - 4) = \ln x - 4 \\\\ \ln (x - 4) - \ln x = -4 \\\\ \ln(\frac{x - 4}{x}) = -4 \\\\ e^{-4} = \frac{x - 4}{x} \\\\ \frac{1}{e^{4}} = \frac{x - 4}{x} \\\\ (e^{4})(x - 4) = x \\\\ e^{4} = \frac{x}{x - 4} \\\\ \boxed{\boxed{\bold{ e = \sqrt[4]{\frac{x}{x - 4}}}}}](https://tex.z-dn.net/?f=%5Cln+%28x+-+4%29+%3D+%5Cln+x+-+4+%5C%5C%5C%5C+%5Cln+%28x+-+4%29+-+%5Cln+x+%3D+-4+%5C%5C%5C%5C+%5Cln%28%5Cfrac%7Bx+-+4%7D%7Bx%7D%29+%3D+-4+%5C%5C%5C%5C+e%5E%7B-4%7D+%3D+%5Cfrac%7Bx+-+4%7D%7Bx%7D+%5C%5C%5C%5C+%5Cfrac%7B1%7D%7Be%5E%7B4%7D%7D+%3D+%5Cfrac%7Bx+-+4%7D%7Bx%7D+%5C%5C%5C%5C+%28e%5E%7B4%7D%29%28x+-+4%29+%3D+x+%5C%5C%5C%5C+e%5E%7B4%7D+%3D+%5Cfrac%7Bx%7D%7Bx+-+4%7D+%5C%5C%5C%5C+%5Cboxed%7B%5Cboxed%7B%5Cbold%7B+e+%3D+%5Csqrt%5B4%5D%7B%5Cfrac%7Bx%7D%7Bx+-+4%7D%7D%7D%7D%7D "\ln (x - 4) = \ln x - 4 \\\\ \ln (x - 4) - \ln x = -4 \\\\ \ln(\frac{x - 4}{x}) = -4 \\\\ e^{-4} = \frac{x - 4}{x} \\\\ \frac{1}{e^{4}} = \frac{x - 4}{x} \\\\ (e^{4})(x - 4) = x \\\\ e^{4} = \frac{x}{x - 4} \\\\ \boxed{\boxed{\bold{ e = \sqrt[4]{\frac{x}{x - 4}}}}}")
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