EquationSymbolicSolveRequest[List[Equal[Sin[ConstE],Product[λ,x]]],List[x]]Solution[{x,ExpressionSetPoint[ExpressionWithCondition[Divide[Sin[ConstE],λ],NotEqual[λ,0]],False,ReservedReal]}]GraphingShow2D[PlotEq2D[Equal[Sin[ConstE],Product[λ,x]]]]