Question 398022
how do you this  problem so can graph it 2x+y=1
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2x+y=1
y=-2x+1
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generate values for y from various values of x
x=0,y=1........(0,1)
y=0,x=1/2.......(1/2,0)
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plot these points and draw the line graph.
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check to see whether the slope is -2 from the graph.
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{{{drawing(300,300,-5,5,-5,5,circle(0,1,0.2),circle(0.5,0,0.2),graph(300,300,-5,5,-5,5,y=-2x+1))}}}

m.ananth@hotmail.ca