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
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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