Solve algebraically the simultaneous equations
2x2−y2=113 2x^2 - y^2 = 113 2x2−y2=113 3x+2y=9 3x + 2y = 9 3x+2y=9223 exam-style questions on OCR GCSE Maths Quadratic Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.