Solve algebraically the simultaneous equations
2x2−y2=1 2x^2 - y^2 = 1 2x2−y2=1 3x+2y=−1 3x + 2y = -1 3x+2y=−1223 exam-style questions on Edexcel GCSE Maths Quadratic Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.