en.wikipedia.org/wiki/Equation

In mathematics, an equation is a statement of an equality containing one or more variables. Solving the equation consists of determining which values of the ...

www.khanacademy.org/math/algebra/one-variable-linear-equations

Learn how to solve linear equations that contain a single variable. For example, solve 2(x+3)=(4x-1)/2+7.

www.mathpapa.com/algebra-calculator.html

If you would like to create your own math expressions, here are some ... Read the full tutorial to learn how to graph equations and check your algebra homework.

quickmath.com/webMathematica3/quickmath/equations/solve/basic.jsp

QuickMath allows students to get instant solutions to all kinds of math problems, from algebra and equation solving right through to calculus and matrices.

www.livescience.com/26680-greatest-mathematical-equations.html

Feb 10, 2017 ... Mathematical equations, from the formulas of special and general relativity, to the Pythagorean theorem, are both powerful and pleasing in their ...

www.sosmath.com/algebra/solve/solve0/solve0.html

This sections illustrates the process of solving equations of various forms. It also shows you how to check your answer three different ways: algebraically, ...

www.mathplanet.com/education/pre-algebra/introducing-algebra/equations-with-variables

In this section, you will learn how to solve equations that contain unknown variables. You will learn how to solve equations mentally by using the multiplication ...

www.wolframalpha.com/examples/Math.html

Math calculators & answers: elementary math, algebra, calculus, geometry, number theory, discrete & applied math, ... solve an ordinary differential equation.

www.w3.org/MarkUp/HTMLPlus/htmlplus_45.html

12 - Mathematical Equations ... use the latex2html filter to create the corresponding HTML document, together with the equations as a number of bitmap files*1.

www.coolmath.com/algebra/06-solving-equations

Prealgebra solving equations lessons with lots of worked examples and practice problems. Very easy to understand!