Free November promotion: everything is free until 30 November 2026 — every subject, unlimited practice.
Subjects / JC Mathematics / Algebra and Functions

Simultaneous linear equations

Solve a pair of linear equations in two unknowns by elimination, substitution or graphs.

In review 2nd Year3rd Year HigherOrdinary
Helps to know first: Linear equations
15practice questions

Fill the gaps: 1 · Multiple choice: 5 · Numeric answer: 7 · Put in order: 1 · Written answer (self/teacher assessed): 1

Each question has up to three hints, a worked explanation, and is tracked in your progress and review plan.

Practise this topic

Try a question

Numeric answer
Solve the simultaneous equations x + y = 19 and x − y = 11. What is the value of x?
Whole numbers, decimals (2.5) or fractions (3/4).
Hint 1

Add the two equations to eliminate y.

Create a free account to save your progress.