Vineet solved a system of equations by substitution. In his work, he substituted an expression for one of the variables and solved for the value of the other. This resulted in the equation 7 = 9. What can Vineet conclude?

The equation 7 = 9 is false, so no values of the variables can satisfy the original system. In substitution, reaching a false statement means the system is inconsistent and has no solution. Therefore, Vineet can conclude that the system of equations does not have a solution.

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