Input: dsolve(ds(y,x,-1)=2y)
Write: `dsolve(ds(y,x,-1)=2y)`
Output: $$ dsolve(\int y\ (dx)^{1.0}=2\ y) == C_1\ exp(\frac{1}{2}\ x) $$ Result:$$C_1\ exp(\frac{1}{2}\ x)$$