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Input:
dsolve(ds(y)-ints(y)-y-exp(x))
Write:
`dsolve(ds(y)-ints(y)-y-exp(x))`
Compute:
$$dsolve(\frac{dy}{dx} -\int y\ (dx)^{1.0}-exp(x)-y)$$
Output:
$$dsolve(\frac{dy}{dx} -\int y\ (dx)^{1.0}-exp(x)-y)== (-exp(x))+C_1\ exp(1.618033988749648\ x)$$
Result: $$(-exp(x))+C_1\ exp(1.618033988749648\ x)$$
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