MAHARASHTRA Class 9: Substitution Method Videos | Substitution Method

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

2x + 4y + 2 = 0 x + 3y + 1 = 0 

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 = 

An equation having no variable and infinite solutions is called a 

An equation having no variable and no solution is called a