In ΔEFG, EG is extended through point G to point H,angle FGH = (4x-1) m∠FGH=(4x−1) ∘ , angle GEF = (x+18) m∠GEF=(x+18) ∘ , and angle EFG = (x-5) m∠EFG=(x−5) ∘ . Find angle GEF.M∠GEF.