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Mathematics 21 Online
OpenStudy (anonymous):

solve the system by graphing. 2x+y=1 2x+y=3

OpenStudy (amistre64):

whenever you have the same equation but different outcomes; they are parallel and have no solution

OpenStudy (anonymous):

get them into y=mx+b form

OpenStudy (anonymous):

y=-2x+1 y=-2x+3

OpenStudy (amistre64):

think of it as saying: sally is 1 year old sally is 3 years old there is no real solution to these statements

OpenStudy (anonymous):

Right, because they're parallel (they have the same slope), they will never intersect, so there's no solution.

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