Module 9
Simultaneous Equations · 3 Levels · Grade 9–10 → CSEC
⚠ CSEC KILLER ALERT
Word problems requiring TWO equations trip up most students. The key: always DEFINE your variables first (let x = ..., let y = ...) before writing any equation. Students who skip this step get zero for the setup marks.
EXAM FREQUENCY
🔴 Guaranteed
WHERE
Paper 2 · Q2
MARKS
4–6 marks
⚡ EXAM TRAP
Word problems — defining variables incorrectly. Also: sign errors when subtracting equations.