Mastering Two-Variable Equations

What is the meaning of Linear Equation in two variables?

What is the standard form of Linear Equation in two variables?

Whether the solution of a linear equation is affected when the same number is added or substracted on both sides of the equation?

What is the graphical representation of a linear equation in two variables?

When the cost of one item is twice the cost of another item, how to write a linear equation in two variables to represent the situation?

How to express an equation as a Linear equation in the form ax+by+c=0 and find out the values of a, b and c.

How to rewrite the given equation in the standard form of linear equation in two variables and finding values of coefficients of variables and also c.

How to write the four solutions for a given linear equation in two variables?

How to find whether a given linear equation in two variables has only one unique solution or only two solutions or infinitely many solutions?

How to find which is the correct solution out of the given solutions for a linear equation in two variables?

How to solve the linear equation in which there is only one variable?