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Introduction To Euclid's Geometry

Question

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Check which of the following are solutions of the equation x – 2y = 4 and which are not:
(2, 0)

Solution

(2, 0)
Put x = 2 and y = 0 in (i)., we get
x - 2y = 2 -2(0) = 2 - 0 = 2, which is not 4
$therefore$ (2, 0) is not a solution of (1).

Some More Questions From Introduction to Euclid's Geometry Chapter

The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement.

Express the following statement as a linear equation in two variables by taking present ages (in years) of father and son as x and y, respectively. Age of father 5 years ago was two years more than 7 times the age of his son at that time.

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