Edexcel IGCSE Maths 复习笔记 2.11.2 Solving Linear Equations
Edexcel IGCSE Maths 复习笔记 2.11.2 Solving Linear Equations
Solving equations…
… is just like rearranging formula so we’ll use exactly the same method …
GROF GROBLET FIND ANSWER!
- This is a mnemonic (way of remembering something) developed to deal with everything except roots and powers (see Rearranging Formulae – Extra Bits notes for that) and can also be used for rearranging formulae…
- GROF – Get Rid Of Fractions
- GROB – Get Rid Of Brackets
- LET – Lump Everything Together (or Let’s Examine Terms)
- FIN – Factorise If Necessary
- D – Divide
ANSWER!
Worked Example
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