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Mathematics 7 Online
OpenStudy (anonymous):

Solve the linear system: 2x+3y = 3 x - 6y = -6

OpenStudy (xapproachesinfinity):

Do this int he second equation x-6y=-6 then x=6y-6 replace x with this value in the first equation to get y

OpenStudy (anonymous):

would i get (-6,3) for the answer?

OpenStudy (xapproachesinfinity):

this called substitution, you can use elimination method or any other method you feel more comfortbale with

OpenStudy (anonymous):

would that be right?

OpenStudy (anonymous):

Substitution property would be easy!

OpenStudy (xapproachesinfinity):

y=1

OpenStudy (xapproachesinfinity):

check it again

OpenStudy (anonymous):

so it would be (0,1) in a set

OpenStudy (xapproachesinfinity):

Yes!

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