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Mathematics 18 Online
OpenStudy (anonymous):

what is the length of mn a 20 b 15 c 5 d 10

OpenStudy (anonymous):

OpenStudy (nottim):

well, i think that 3x=x+10.

OpenStudy (nottim):

try to solve for x.

OpenStudy (nottim):

then, sub x back into x+10.

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