Verify that x=2x=2x=2, y=−12\displaystyle y=-\frac{1}{2}y=−21 is the solution of the simultaneous equations
3x−2y=7 3x - 2y = 7 3x−2y=7 7x+2y=13 7x + 2y = 13 7x+2y=13217 exam-style questions on AQA GCSE Maths Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.