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OpenStudy (anonymous):
Need help..... I have to solve these by graphing. x + y = 1 2x + y = 0 I get the points (-1,2) but I don't understand how the book gets 2 lines on the graph?
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OpenStudy (anonymous):
solve for y
OpenStudy (anonymous):
y=-x+1 y=-2x
OpenStudy (anonymous):
how did you get y=-x+1
OpenStudy (anonymous):
subtract x on each side...or take it to the other side of the equal sign and change its sign.
OpenStudy (anonymous):
|dw:1331597786994:dw|
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