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…

1. GROF?– Get Rid Of Fractions
2. GROB?– Get Rid Of Brackets
3. LET?– Lump Everything Together (or Let’s Examine Terms)
4. FIN?– Factorise If Necessary
5. D?– Divide 

   ANSWER!