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Mathematics 18 Online
OpenStudy (anonymous):

need help

OpenStudy (anonymous):

with?

OpenStudy (anonymous):

An equation in the system is y = x + 1. What is the other equation in the system if the solution is only at (0, 1)? x − y = 1 2x + 2y = 4 x + y = 1 x + 2y = 2

OpenStudy (anonymous):

plug in \[y=x+1\] (0,1) 1=1 \[x-y=1\] 0-1=1? no \[2x+2y=4\] 2(0)+2(1)=4? no now you do the last two

OpenStudy (anonymous):

0+1=1...yes? o+2*1=2.....idk how im supposed to tell if its yes or no

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

c looks like (1,1) so it looks right

OpenStudy (anonymous):

exactly

OpenStudy (anonymous):

oh ok thanks both of you :D

OpenStudy (anonymous):

they are both yes but it should be 1=1

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