If we multiply or divide both sides of a linear equation by a zero number, then the roots of linear equation will remain the same. Is it true? If so justify with an example.

If we multiply or divide both sides of a linear equation by a non zero number, then the roots of linear equation will remain the same. Is it true? If so justify with an example.

If we multiply or divide both sides of a linear equation with a non-zero number, then the solution of the linear equation :

If we multiply or divide both sides of a linear equation with a non-zero number, then the solution of the linear equation.

If we multiply or divide both sides of a linear equation with a non-zero number, then the solution of the linear equation.

The number of solutions of the pair of linear equations, shown in the graph is:

Linear equation in two variable and examples

Calculate the number of solutions for the pair of linear equations y=0 and y=7.