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Mathematics 17 Online
OpenStudy (anonymous):

7x+3y=-25 x=4-8y

OpenStudy (anonymous):

what is the question?

OpenStudy (anonymous):

solve using substitution method

OpenStudy (anonymous):

7x+3y=-25 x=4-8y

OpenStudy (anonymous):

i just did a double check, that is the correct problem :-)

OpenStudy (anonymous):

|dw:1364869197916:dw|

OpenStudy (anonymous):

so then i plug that back in to get the second answer right

OpenStudy (anonymous):

|dw:1364869487700:dw|

OpenStudy (anonymous):

solution: (-4, 1)

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

yw

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