Solve algebraically the simultaneous equations
3x2−y2=11 3x^2 - y^2 = 11 3x2−y2=11 y−x=1 y - x = 1 y−x=1223 exam-style questions on WJEC GCSE Maths Quadratic Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.