Which step is not necessary when solving this system of equations by graphing? 3 x minus y is equal to 4 x plus y is equal to negative 4

To solve a system by graphing, graph both equations and find where their lines intersect. The intersection gives the solution, which you write as an ordered pair. Determining a shaded area is not part of graphing these equations; shading is used when graphing inequalities, so the answer is C, “Determine the shaded area for each line.”

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