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Which graph correctly displays the solution to the linear system?

Which graph correctly displays the solution to the linear system?-example-1

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Given the system of equations


\begin{cases}y=x+1 \\ y=x+1\end{cases}

Notice that both equations are identical; therefore, they represent the same line on the plane. The only graph that shows two identical lines is the first one (top to bottom). Therefore, the first option is the answer to the system of equations.

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