Blog
Solving a pair of linear equations by drawing graphs, by substitution, and by elimination.
Pair of Linear Equations in Two Variables
Complete NCERT Class 10 Exercise 3.3 solutions: four pairs solved by both elimination and substitution, plus five word problems on a fraction, Nuri and Sonu's ages, a two-digit number, bank notes and library charges.
Pair of Linear Equations in Two Variables
Learn the elimination method for pairs of linear equations: why adding or subtracting equations works, the steps, worked examples on incomes and digits, and how to spot no solution or infinitely many.
Pair of Linear Equations in Two Variables
Complete NCERT Class 10 Exercise 3.2 solutions: six pairs solved by substitution, finding m for y = mx + 3, and six word problems on numbers, angles, bats and balls, taxi fares, a fraction and ages.
Pair of Linear Equations in Two Variables
Learn the substitution method for a pair of linear equations: why it works, the steps, five worked examples including Aftab's age puzzle, and how to spot one, none or infinitely many solutions.
Pair of Linear Equations in Two Variables
Complete NCERT Class 10 Exercise 3.1 solutions: forming equations from word problems, solving them graphically, the coefficient ratio test for consistency, building equations to order and the triangle with the x-axis.
Pair of Linear Equations in Two Variables
Learn to solve a pair of linear equations in two variables by drawing graphs, tell intersecting, parallel and coincident lines apart with the coefficient ratio test, and practise with worked examples.
Book a demo class and watch how your child responds to the teaching.