Lesson overview:Manipulating systems of equations
- In this lesson, we will manipulate systems of equations in order to eliminate an unknown. We will look at cases where one equation can be altered to enable elimination by addition or subtraction.
- In this lesson, we will manipulate systems of equations in order to eliminate an unknown. We will look at cases where one equation can be altered to enable elimination by addition or subtraction.
Solving linear simultaneous equations algebraically:
- Reviewing solving equations
- Equivalent equations
- Linear relationships
- Combining algebraic relationships
- Exploring expressions with two variables
- Exploring systems of equations
- Solving simultaneous equations
- Writing simultaneous equations algebraically
- Checking the solution of simultaneous equations
- Solving a simultaneous equation algebraically
- Eliminating a variable
- Manipulating systems of equations
- Solving word problems
- Using substitution to solve simultaneous equations
- Substitution or Elimination
- Simultaneous equations by trial and error