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Mathematics
Nerd
26 February, 18:02
Sole the system by elimination - 4x+9y=9 x-3y=-6
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Jordan Newton
26 February, 19:12
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A) - 4x + 9y = 9
B) x - 3y = - 6
We multiply B) by 3
B) 3x - 9y = - 18 Then add it to A)
A) - 4x + 9y = 9
-x = - 9
x = 9
9 - 3y = - 6
3y = 15
y = 5
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