Find the value of x and y,if the equation 2x + 5 = 7 has a unique solution.
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I think you have not mention y in equation by mistake . the question would like this 2x + 5y=7
then answer would be In a natural number , there is only one pair i.e (1,1) which satisfy the given equation equation but in positive real
numbers , real numbers and rational numbers there are many pairs to satisfy the given linear equation.
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