Refer to the graph below, which shows the lines representing...

Question Analysis
This question tests the student's ability to interpret the graphical representation of a system of equations and identify the solution as the point of intersection.

Key Concept Explanation
The key concept here is that the solution to a system of equations is the point where the graphs of the equations intersect.

Step-by-step Solution
1. Identify the point of intersection on the graph. The y-coordinate of the intersection point is given as 7.
2. Substitute into either equation to find the corresponding -coordinate. Using : .
3. Solve for

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Algebra-1

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