simple equations

• http://www.mathebook.net/videos/eqnfunc.htm
• http://library.thinkquest.org/20991/prealg/eq.html
• http://www.bbc.co.uk/schools/gcsebitesize/maths/algebra/equationsrev1.shtml
• http://www.intmath.com/basic-algebra/basic-algebra-intro.php
• http://www.mathportal.org/
• http://www.watchknowlearn.org/Category.aspx?CategoryID=1100
• http://www.algebra.com/algebra/homework/equations/Equations-help!.lesson
• http://www.gradeamathhelp.com/how-to-solve-linear-equations.html
• http://www.softpedia.com/get/Others/Home-Education/GetMoreMath-Equation-Solver.shtml