Simultaneous Equations

The following website goes through simultaneous equations step by step and may be of help to you:

http://www.skoool.ie/content/skoool_learning/junior/lessons/maths/simultaneous_eqn/index.htm

Help with Long Division in Algebra

This link is very useful when revising your algebraic long division

http://www.mathsisfun.com/algebra/polynomials-division-long.html