Solve the simultaneous equations Give your answers to 3 significant figures
x2+y2=20 x^2 + y^2 = 20 x2+y2=20 3x−y=4 3x - y = 4 3x−y=4117 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.