A few days ago

using elimination?

how do you do this?

6x+3y=0

and

-3x+3y=9

Top 1 Answers
A few days ago
Kobie D

Favorite Answer

you need to substitute

-3x+3y=9

3y=(9+3x)

now substitute other equation

6x+(9+3x)=0

9x+9=0

9x=-9

x=-1

substit agaian

6(-1)+3y=0

-6+3y=0

3y=6

y=2

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