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Mathematics 9 Online
OpenStudy (anonymous):

4x-y=-4 2x+y=7 Using Elimination, Solve.

OpenStudy (anonymous):

add the two equations together. you get 6x=3. then solve for x, plug back in to get y. Tada :)

OpenStudy (anonymous):

I have 2 questions by the way

OpenStudy (anonymous):

And Thanks

OpenStudy (anonymous):

You can either replace x or y using the first equation. Replace the variable in the second equation and you will get x and y.

OpenStudy (anonymous):

By elimination, do you mean the trial and error method?

OpenStudy (anonymous):

Idk you start it off by what that person did up there^ I think I did it right idk though.

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