diff --git a/gtsam_unstable/linear/EqualityFactorGraph.h b/gtsam_unstable/linear/EqualityFactorGraph.h
index 43befdbe0..fb3f4c076 100644
--- a/gtsam_unstable/linear/EqualityFactorGraph.h
+++ b/gtsam_unstable/linear/EqualityFactorGraph.h
@@ -31,6 +31,11 @@ class EqualityFactorGraph: public FactorGraph<LinearEquality> {
 public:
   typedef boost::shared_ptr<EqualityFactorGraph> shared_ptr;
 
+  /// Add a linear inequality, forwards arguments to LinearInequality.
+  template <class... Args> void add(Args &&... args) {
+    emplace_shared<LinearEquality>(std::forward<Args>(args)...);
+  }
+
   /// Compute error of a guess.
   double error(const VectorValues& x) const {
     double total_error = 0.;
diff --git a/gtsam_unstable/linear/InequalityFactorGraph.h b/gtsam_unstable/linear/InequalityFactorGraph.h
index c87645697..d042b0436 100644
--- a/gtsam_unstable/linear/InequalityFactorGraph.h
+++ b/gtsam_unstable/linear/InequalityFactorGraph.h
@@ -47,6 +47,11 @@ public:
     return Base::equals(other, tol);
   }
 
+  /// Add a linear inequality, forwards arguments to LinearInequality.
+  template <class... Args> void add(Args &&... args) {
+    emplace_shared<LinearInequality>(std::forward<Args>(args)...);
+  }
+
   /**
    * Compute error of a guess.
    * Infinity error if it violates an inequality; zero otherwise. */