the system?

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can the system 2x +3y =9 and 6x-9y=0 be solved more easily by using the substitution method or the addition method???

2007-02-24 11:01:47 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

I think that the addition method works a little better in this case--but not by much.

2007-02-24 11:05:36 · answer #1 · answered by bruinfan 7 · 0⤊ 0⤋

2x +3y =9
6x - 9y=0
In that case, it's better the addition method.
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2007-02-24 19:10:25 · answer #2 · answered by aeiou 7 · 0⤊ 0⤋

(9/4, 3/2)
It makes no difference which method that you use. If you never solve the problem, neither of them is faster than the other.

Doug

2007-02-24 19:11:26 · answer #3 · answered by doug_donaghue 7 · 0⤊ 0⤋