ICSE Class 9 Maths Substitution Method

Q.

Solve the following equations and find the values of x and y.

2x + 4y + 2 = 0 x + 3y + 1 = 0 



Q.

If ax + by + c = 0, and dx + ey + f = 0 has to be solved using the substitution method, then from ax + by + c = 0, x = 



Q.

An equation having no variable and infinite solutions is called a 



Q.

An equation having no variable and no solution is called a 



This video explains the concept of substitution method to solve a pair of linear equations and apply the same to solve word problems.