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Solve a system of linear equations using substitution

Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of ...
BBC

Solving equations using iteration – Higher tier

Approximate solutions to more complex equations can be found using a process called iteration. Iteration means repeatedly carrying out a process. To solve an equation using iteration, start with an ...
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Using substitution to solve a system of equations

Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To ...