Equation 2 x+5 y=7 has a unique solution, if x, y are :

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4. Linear Equations in Two Variables

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The equation $2 x+5 y=7$ has a unique solution, if $x, y$ are :

A

Natural numbers

B

Positive real numbers

C

Real numbers

D

Rational numbers

Solution

The equation $2 x +5 y =7$ has a unique solution if $x , y$ are natural numbers.

Standard 9

Mathematics

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