How do I solve linear equations in Sec 2?

Simplify both sides, collect variable terms on one side and numbers on the other, then divide to find the unknown. If fractions appear, multiply through by the lowest common denominator first.

What is the difference between an expression and an equation?

An expression has no equals sign (e.g. 3x + 2). An equation has an equals sign and can be solved (e.g. 3x + 2 = 11). Only equations have solutions.

What are common Sec 2 linear equation mistakes?

Sign errors when moving terms across the equals sign, dividing by the wrong value, or forgetting to apply operations to both sides. Always check your answer by substituting back.

Secondary 2 · Mathematics

30+ Secondary 2 Mathematics Linear equations Practice Questions for 2026 (based on Singapore MOE Syllabus)

Secondary 2 linear equations cover solving one-variable equations, equations with fractions, forming equations from word problems, and basic linear graphs. This page has 30+ Sec 2 questions with step-by-step solutions.

30 free sample questions below — answers and step-by-step solutions included.

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Question 10hard
Question 11easy
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Question 13medium
Question 14hard
Question 15hard
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Question 18medium
Question 19hard
Question 20hard
Question 21easy
Question 22easy
Question 23medium
Question 24hard
Question 25hard
Question 26easy
Question 27easy
Question 28medium
Question 29hard
Question 30hard

Frequently asked questions

How do I solve linear equations in Sec 2?: Simplify both sides, collect variable terms on one side and numbers on the other, then divide to find the unknown. If fractions appear, multiply through by the lowest common denominator first.
What is the difference between an expression and an equation?: An expression has no equals sign (e.g. 3x + 2). An equation has an equals sign and can be solved (e.g. 3x + 2 = 11). Only equations have solutions.
What are common Sec 2 linear equation mistakes?: Sign errors when moving terms across the equals sign, dividing by the wrong value, or forgetting to apply operations to both sides. Always check your answer by substituting back.