Solve the simultaneous equations
3x+y=15 3x + y = 15 3x+y=15 5x+2y=24 5x + 2y = 24 5x+2y=24Hence, find the value of x+yx+yx+y.
217 exam-style questions on OCR GCSE Maths Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.