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Solving 3 variable systems of equations by substitution
- Intro Lesson2:12
- Lesson: 14:11
- Lesson: 24:35
- Lesson: 35:50
Solving 3 variable systems of equations by substitution
Basic Concepts: Solving systems of linear equations by substitution
Related Concepts: Solving 3 variable systems of equations by elimination, Solving 3 variable systems of equations with no or infinite solutions
Lessons
- IntroductionHow to Solve Three Variable Systems of Equations?
- 1.Solving Three Variable Systems of Equations – (Easy)
Solve the following system of equations by substitution:
2x+3y+4z=0
2y+3z=23
z=5
- 2.Solving Three Variable Systems of Equations – (Medium)
Solve the following system of equations by substitution:
3x−5y+z=0
x−2y−z=0
z=−2
- 3.Solving Three Variable Systems of Equations – (Hard)
Solve the following system of equations by substitution:
15x+7y−6z=−9
5x−3y+6z=13
z=4
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17.
Simultaneous Equations
17.1
Determining number of solutions to linear equations
17.2
Solving simultaneous linear equations by graphing
17.3
Solving simultaneous linear equations by elimination
17.4
Solving simultaneous linear equations by substitution
17.5
Money related questions in linear equations
17.6
Unknown number related questions in linear equations
17.7
Distance and time related questions in linear equations
17.8
Rectangular shape related questions in linear equations
17.9
Simultaneous linear-quadratic equations
17.10
Simultaneous quadratic-quadratic equations
17.11
Solving 3 variable simultaneous equations by substitution
17.12
Solving 3 variable simultaneous equations by elimination
17.13
Solving 3 variable simultaneous equations with no solution, infinite solutions
17.14
Word problems relating 3 variable simultaneous equations