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Mathematics 10 Online
OpenStudy (anonymous):

solve the system by graphing x=-y y+x=6 a. (1,1) b. (1,5) c. infinte number of solutions d. no solution

OpenStudy (anonymous):

no solution i.e. \[x=-y, y+x=6 \Rightarrow y+(-y)=6 \Rightarrow 0=6\] clearly \[0\neq 6\]

OpenStudy (anonymous):

of course I did not solve by graphing...

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