The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. (Take the cost of a notebook to be ₹ x and that of a pen to be ₹ y).

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Standard Form of Linear Equation in Two Variables | PadhAiPro

Question

TextStandard Form of Linear Equation in Two VariablesNCERT Textbook

Write each of the following equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case:

Write each of the following as an equation in two variables:

Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case:

A linear equation in two variables is of the form ax + by + c = 0, where

The equation x = 7, in two variables, can be written as

Write the linear equation such that each point on its graph has an ordinate 3 times its abscissa.