# How to Use the Substitution Method to Solve an Equation?

Mathematics is a hard and difficult task to complete, but this article will show you how to solve a system of equations using the substitution method.

http://www.wikihow.com/Use-the-Substitution-Method-to-Solve-an-Equation

## How to Solve an Equation by Substitution in Quadratic Form?

A quadratic equation contains a variable of which the highest exponent is 2. For example, x^2 + x = - 1 is a quadratic equation because the highest exponent of x is 2. An equation that is quadratic...
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http://www.ehow.com/how_8463140_solve-equation-substitution-quadratic-form.html

## How to Solve Simultaneous Equations Using Substitution Method?

A simultaneous equation is a set of two equations with two unknown variables e.g a+2b= -4, 2a+b= 1 in which a and b are the unknown variables. Solving simultaneous equations involves finding the va...
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## How to Make Linear Equations With the Substitution Method?

Linear equations express straight line relationships between two variables. They are expressed in the form ax + by = c, where "a," "b" and "c" are real-number constants. A system of two linear equa...
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## How to Solve Linear Equations Through Substitution & Combining?

To solve more than one linear equation at the same time, you must find the solution that makes both equations true, which means that the right side equals the left side in each equation. The soluti...
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http://www.ehow.com/how_8375047_solve-equations-through-substitution-combining.html