Solve the simultaneous equations
2x=8+yx+3y=4 \begin{aligned} 2x &= 8 + y \\ x + 3y &= 4 \end{aligned} 2xx+3y=8+y=4217 exam-style questions on CCEA GCSE Maths Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.