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Linear equation easy solve!!!!
 same symbols minus them
 different symbols add them

Quadratic Simultaneous Equations
 1. Rearrange the linear equation
 2. sub into the quadratic
 3. multiply out brackets
 4. rearrange to make it =0
 5. factorise
 6. solve

Disguised quadratics
use substitution
let y= and make the quadratic with y as the subject
make sure to edit answers for x!!

