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# Systems of Linear Equations in Two Variables

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Levels are CK12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

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• Video

## Linear System Fundamentals - Overview

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Overview

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• Video

## Rewriting Formulas - Overview

by CK-12 //basic

Overview

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• Video

## Rewriting Linear Equations - Overview

by CK-12 //basic

Overview

2
• Video

## Solving Word Problems by Rewriting Formulas and Equations - Overview

by CK-12 //basic

Overview

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• Video

## Using Formulas to Solve Problems - Overview

by CK-12 //basic

Overview

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• Video

## Linear System Fundamentals - Example 1

by CK-12 //basic

Determining the Correct Ordered Pair as a Solution Given the Graph of a Linear System

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• Video

## Linear System Fundamentals - Example 2

by CK-12 //basic

Testing Ordered Pairs as Solutions to Linear Systems

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• Video

## Rewriting Formulas - Example 1

by CK-12 //basic

Rewriting and Solving a Formula with Two Variables

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• Video

## Rewriting Formulas - Example 2

by CK-12 //basic

Rewriting and Solving a Formula with Three Variables

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• Video

## Rewriting Linear Equations - Example 1

by CK-12 //basic

Solving Linear Equations for the Y-Variable

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• Video

## Rewriting Linear Equations - Example 2

by CK-12 //basic

Solving and Evaluating Linear Equations for the Y-Variable

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• Video

## Solving Word Problems by Rewriting Formulas and Equations - Example 1

by CK-12 //basic

Solving Word Problems by Rewriting Formulas

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• Video

## Solving Word Problems by Rewriting Formulas and Equations - Example 2

by CK-12 //basic

Solving Word Problems by Rewriting Equations

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• Video

## Using Formulas to Solve Problems - Example 1

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Using the Distance Formula (d = rt) to Solve Problems

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• Video

## Using Formulas to Solve Problems - Example 2

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Using Perimeter Formulas to Solve Geometric Problems

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• Practice

## Systems of Linear Equations in Two Variables Practice

by CK-12 //basic

Practice Systems of Linear Equations in Two Variables questions

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