**igcse maths, grade 10**

page 426, 1-6 (all exercises!)

**ib maths sl, grade 11**

page 75, 1

**pre-igcse maths, grade 8**

the whole page called "

*solving equations*" (exercises 1-4)

**ib maths sl, grade 12**

yesterday's homework

**igcse maths grade 9**

problem presentation

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