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Divide both sides by ($1+e^x$) to move the x-dependent factor to the right, getting dy = (ye^$x/(1+e^x)$)dx. Then, divide both sides by y to move the y-dependent factor to the left.

Conditions: The equation is a first-order differential equation.; y is not equal to zero, allowing division by y.

Divide both sides by ($1+e^x$) to move the x-dependent factor to the right, getting dy = (ye^$x/(1+e^x)$)dx. Then, divide both sides by y to move the y-dependent factor to the left.

Conditions: The equation is a first-order differential equation.; y is not equal to zero, allowing division by y.