The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Linear Equations in Two Variables — quick quiz

5 SOF IMO-pattern questions on Linear Equations in Two Variables. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Easy

Solve the following pair of linear equations by substitution method: x + y = 14 x - y = 4 What is the value of x?