Solve the system by graphing

The value of x and y are equal to -1 and 4 respectively.
Data;
To solve a system of linear equations, we can either use graph, simultaneous or elimination method. In which ever method we choose to use, we can always find the solution to this system of equations.
Kindly find the attached for a graphical representation of the solution.
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The solution to the system of equation is (-1,4)
The system of equation is given as:
x + y = 3
2x - y = -6
Next, we plot the graph of the system of equation
From the attached graph (see attachment), we have the point of intersection to be:
(x,y) = (-1,4)
Hence, the solution to the system of equation is (-1,4)
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