# How to Use Substitution in Algebra 2?

In Algebra II, you often will have to solve systems of equations. One of the most effective ways to accomplish this is substitution, a process in which you solve for one of the variables, using one...
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http://www.ehow.com/how_8318343_use-substitution-algebra-2.html

## Directions for Substitution & Elimination in Algebra?

Systems of linear equations are two linear equations with two unknown variables, where only one set of numbers will satisfy both equations. This set of numbers is the point where the two lines will...
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http://www.ehow.com/how_8482193_directions-substitution-elimination-algebra.html

## What Is the Difference Between Algebra 2 & Algebra 3?

There are no federal laws determining what a school system must include in its algebra courses. However, there is a convention that most school systems follow, allowing for consistency in terms of ...
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http://www.ehow.com/info_8404550_difference-algebra-2-algebra-3.html

## How to Decide If Someone Should Be in Pre-Algebra or Algebra?

Deciding whether to place a student in pre-algebra or skip them ahead to algebra 1 can be difficult. Children mature at different rates, and their ability to think abstractly emerges at different t...
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http://www.ehow.com/how_8252266_decide-someone-should-prealgebra-algebra.html

## How to Integrate by Substitution?

This How-To assumes that you know how to differentiate functions and can integrate simple functions. Integration by substitution can be achieved in two methods. The simpler method, which this How-T...
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http://www.wikihow.com/Integrate-by-Substitution