Question 282170
Graph 2x + y=2
It's a straight line, so 2 points are needed.
Pick values of x and find y, or vice versa.
Plot the 2 points, draw a line thru them.
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x....y
0....2 --> (0,2)
5....-8 --> (5,-8)
There are 2 points.  Any 2 will do