The graphs of the straight lines with equations 2y−x=42y - x = 42y−x=4 and x+y=−1x + y = -1x+y=−1 have been drawn on the grid.

Use the graphs to solve the simultaneous equations
2y−x=4 2y - x = 4 2y−x=4 x+y=−1 x + y = -1 x+y=−1Practise OCR GCSE Maths Solving Simultaneous Equations Graphically with exam-style questions for Foundation and Higher tier. 20 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.