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anyone understand this..i dont..well i got a rough answer for x and y but need to doulbe check

2007-06-11 09:56:32 · 3 answers · asked by Anonymous in Science & Mathematics Mathematics

3 answers

3x-11y=2 ---(1)
x-5y=2 ---(2)

(2)x3: 3x-15y=6 ---(3)
(1)-(2): 4y=-4 => y=-1

Sub y=-1 into (1): 3x-11(-1)=2 => x=-3

x=-3, y=-1

2007-06-11 10:02:37 · answer #1 · answered by Kemmy 6 · 0 1

3x - 11y = 2
- 3x + 15y = - 6
4y = - 4
y = - 1
x + 5 = 2
x = - 3
x = - 3 , y = - 1

2007-06-11 14:20:33 · answer #2 · answered by UNIQUE 3 · 0 0

3x - 11y = 2
- 3x + 15y = - 6-----ADD
4y = - 4
y = - 1
x + 5 = 2
x = - 3
ANSWER x = - 3 , y = - 1

2007-06-11 10:17:23 · answer #3 · answered by Como 7 · 0 1

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