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Mathematics 7 Online
OpenStudy (automaticloveletter):

Jordan wants to solve the following system using the elimination method: 2x + 3y = 10 x + y = 7 What number should the equation x + y = 7 be multiplied by to eliminate y? −2 2 −3 3

OpenStudy (anonymous):

3

OpenStudy (anonymous):

I think

OpenStudy (anonymous):

Do you want to know how to do the problem automaticloveletter?

OpenStudy (automaticloveletter):

Yes

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

The aim of the game so to speak when using the elimination method is to cancel out one of your variables. In this case we want to eliminate the y variable so we will be focusing on that variable.

OpenStudy (anonymous):

Remember when you have an equation like this:|dw:1436827766595:dw|and you subtract five on both sides to solve for y?|dw:1436827785621:dw|

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