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Which of the Following Equations Could Be the Result of Using the Comparison Method to Solve the System Shown? X+y=5 2x+y=7 -x-5=7-2x

Problemas

Which of the following equations could be the result of using the comparison method to solve the system shown? x+y=5 2x+y=7 -x-5=7-2x 5-x=2x-7 5-x=7-2x

Roztwór

Alejandro élite · Tutor durante 8 años
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4.5 (249 Votos)

Respuesta

To solve the system of equations using the comparison method, we need to manipulate the equations so that we can compare them directly.Given the system of equations: We can subtract the first equation from the second equation to eliminate : Now, we can substitute the value of into the first equation to find : So, the solution to the system of equations is and .Now, let's analyze the given options: The correct equation that could be the result of using the comparison method to solve the system is .