Exam (elaborations)
Edexcel IGCSE Maths EXAM WITH 100% CORRECT ANSWERS
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Solving Simultaneous Equations: Elimination Method Multiple one, or both, of the equations by suitable multiplier, until they have a matching number of x's or y's 2 variants of method: If the matching terms have one + and one - signs, then use add equations. If signs are the same then subtrac...
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