EquationSymbolicSolveRequest[List[Equal[Sum[E_1,E_2],γ]],List[γ]]Solution[{γ,ExpressionSetPoint[Sum[E_1,E_2],False,ReservedReal]}]EquationSymbolicSolveRequest[List[Equal[Sum[E_1,E_2],γ]],List[E_1]]Solution[{E_1,ExpressionSetPoint[Sum[γ,Negative[E_2]],False,ReservedReal]}]EquationSymbolicSolveRequest[List[Equal[Sum[E_1,E_2],γ]],List[E_2]]Solution[{E_2,ExpressionSetPoint[Sum[γ,Negative[E_1]],False,ReservedReal]}]