# 7.2: Systems Using Substitution

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**Basic**Created by: CK-12
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**Practice**Systems Using Substitution

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Substitution Property of Equality

Substitution Property of Equality

If*an algebraic expression*, then the algebraic expression can be substituted for any in an equation or an inequality.

Consistent

Consistent

A system of equations is consistent if it has at least one solution.distributive property

distributive property

The distributive property states that the product of an expression and a sum is equal to the sum of the products of the expression and each term in the sum. For example, .linear equation

linear equation

A linear equation is an equation between two variables that produces a straight line when graphed.substitute

substitute

In algebra, to substitute means to replace a variable or term with a specific value.### Image Attributions

## Description

Solve systems of equations using substitution.

## Learning Objectives

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## Related Materials

## Difficulty Level:

Basic## Subjects:

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## Date Created:

Feb 24, 2012## Last Modified:

Feb 26, 2015## Vocabulary

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