Solving algebraic simultaneous equations by elimination
Lesson 13 / 14
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Lesson outcome
I can solve two linear simultaneous equations algebraically using elimination.
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It is possible to find a solution that satisfies two equations with two unknowns by trial and error.
A more efficient method is to combine the two equations to create a third valid equation .
If the third equation contains only one unknown, it is easy to solve .
Once you know one of the unknowns, you can substitute to find the other .
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