Solve the linear equation f(x) = g(x). SPI 0806.3.2

Links verified on 9/29/2014

1. Save Our Dumb Planet - [a linear equation game] Deduce correct flight path equations and then plot co-ordinates accurately to ensure your missiles hit their targets and destroy the rogue meteors heading on a collision course with Earth!
2. Using Linear Algebra to solve systems of non-linear equations - a discussion posted at the Physics Forum