Solve algebraically the simultaneous equations
x2+xy+y2=7 x^2 + xy + y^2 = 7 x2+xy+y2=7 2x+y=1 2x + y = 1 2x+y=1117 exam-style questions on AQA GCSE Maths Quadratic Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.