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4x-3y= -2 (3)
_______
-12x-8y= -28 ( los 12 se simplificaron entre sí)
12x - 9y= -6
__________
-17y= -34
y= -34÷-17
y = 2
3x+2y= 7
3x +2(2)=7
3x +4=7
3x= 7-4
3x= 3
x=3÷3
x= 1