Solve the simultaneous equations
4y+12=6x9x+5y+4=0 \begin{aligned} 4y + 12 &= 6x \\ 9x + 5y + 4 &= 0 \end{aligned} 4y+129x+5y+4=6x=0217 exam-style questions on OCR GCSE Maths Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.