6x-4y=-12 ; 8x-3y =-2
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6x-4y=-12____(1)×3
8x-3y=-2____(2)×4
16x-12y=-36
32x-12y=-8
___________
-16x=-28
x=28/16
from equation 1
6×28/16-4y=-12
28×3/8-4y=-12
84/8-4y=-12
-4y=-12-84/8
-4y=96-84/8
-4y=12/8
y=-3/8
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