CVXPY
Minimize
  x
Subject To
 80: x + y == 1.0
 84: y == 0.0
Bounds
 x free
 y free
End
----------------------------------------
AFTER COMPILATION
Minimize
  C0
Subject To
 R0: C0 + C1 = 1
 R1: C1 = 0
Bounds
 C0 free
 C1 free
End
----------------------------------------
GUROBI
Minimize
  x
Subject To
 80: x + y = 1
 84: y = 0
Bounds
 x free
 y free
End