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Solve Equations (Grade 8)




 

Videos and lessons to help Grade 8 students learn how to solve linear equations in one variable.

A. Give examples of linear equations in one variable with one solution, infinitely many solutions, or no solutions. Show which of these possibilities is the case by successively transforming the given equation into simpler forms, until an equivalent equation of the form x = aa = a, or a = b results (where a and b are different numbers).

B. Solve linear equations with rational number coefficients, including equations whose solutions require expanding expressions using the distributive property and collecting like terms.

Common Core: 8.EE.7b

Suggested Learning Targets


  • I can solve linear equations with rational number coefficients.
  • I can solve equations whose solutions require expanding expressions using the distributive property and/or collecting like terms.


Related Topics:
Common Core for Grade 8

Common Core for Mathematics

More Math Lessons for Grade 8

Solve linear equations with rational coefficients--Lesson 1 of 8 (Common Core Standard 8.EE.7b)
In this lesson you will learn to solve equations by combining like terms.
Solve linear equations with rational coefficients--Lesson 2 of 8 (Common Core Standard 8.EE.7b)
In this lesson you will learn to solve equations by using the distributive property of equality.



Solve linear equations with rational coefficients--Lesson 3 of 8 (Common Core Standard 8.EE.7b)
In this lesson you will learn to solve equations with parentheses by using the division property of equality.
Solve linear equations with rational coefficients--Lesson 4 of 8 (Common Core Standard 8.EE.7b)
In this lesson you will learn to solve linear equations by choosing from among different techniques.


 
Solve linear equations with rational coefficients--Lesson 5 of 8 (Common Core Standard 8.EE.7b)
In this lesson you will learn to solve linear equations by using the multiplicative inverse.
Solve linear equations with rational coefficients--Lesson 6 of 8 (Common Core Standard 8.EE.7b)
In this lesson you will learn to solve linear equations with decimal coefficients by using the properties of equality.


Solve linear equations with rational coefficients--Lesson 7 of 8 (Common Core Standard 8.EE.7b)
In this lesson you will learn to solve linear equations with fraction and decimal coefficients by using properties of equality.
Solve linear equations with rational coefficients--Lesson 8 of 8 (Common Core Standard 8.EE.7b)
In this lesson you will learn to solve two-step linear equations (variables on both sides) by using the properties of equality.


 
Two Step Equations in the Real World.
Solving Equations with Variables on Both Sides.


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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