Verify that x=13\displaystyle x = \frac{1}{3}x=31 and y=23\displaystyle y = \frac{2}{3}y=32 are the solutions of the simultaneous equations
2x+5y=4 2x + 5y = 4 2x+5y=4 7x−5y=−1 7x - 5y = -1 7x−5y=−1217 exam-style questions on AQA GCSE Maths Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.