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Mathematics 7 Online
OpenStudy (anonymous):

3x+2y=11 2x+6y=-2 elimination using multiplacation.

OpenStudy (anonymous):

multiply the first equation straight across by \(-3\) then add the two equations, the \(y\) term will drop out

OpenStudy (anonymous):

thanks.

OpenStudy (anonymous):

7x=31 right?

OpenStudy (anonymous):

no, it'll be -33 + (-2) which is -33 - 2 = -35. :)

OpenStudy (anonymous):

and y is 2. thanks.

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