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:
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).
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
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