2x-y=0, 4x-y=2

solve the following system of equations graphically
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1 Answer

The red line is the graph of 2x-y=0 (same as y=2x); the blue line is 4x-y=2 (same as y=4x-2). Where they intersect at (1,2) is the solution of the system, that is, x=1, y=2.

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