The equation $3 x + 4 y = 7$ has a unique solution if $x, y$ are

Natural numbers

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Positive real numbers

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real numbers

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Rational numbers

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Solution

The correct option is A Natural numbers
The equation $3 x + 4 y = 7$ has unique solution if $x, y$ are natural numbers because if they are not positive integers (natural numbers), then there are many possibilities.

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Similar questions

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

(a) natural numbers

(b) rational numbers

(d) real numbers

3 x - 5 + a = b x + 1

x

a

b

3 x - 5 + a - b x + 1

x

a

\neq

0

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