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Mathematics 18 Online
OpenStudy (anonymous):

–y + z = -9 y– 5z = 29 HELP ME PLEASE I DONT GET IT

OpenStudy (thomas5267):

I don't get it either.

OpenStudy (thomas5267):

Is this the complete question?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

@thomas5267

OpenStudy (thomas5267):

Did you combine two equations into one?

OpenStudy (anonymous):

–y + z = -9 y– 5z = 29 there

OpenStudy (thomas5267):

That make more sense. Rearrange the first equation so that z is on one side and substitute that into the second equation.

OpenStudy (thomas5267):

First, rearrange z in the first equation to one side.

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