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-(1)-(2)
-1-2
-3
-[2(3+4)-(4-6)]-6
-[2(7)-(-2)]-6
-[14+2]-6
-[16]-6
-16-6
-22
3X-6=8+X
3X-X=8+6
2X=14
X=7
:)
La ecuación: 3x - x =8+6
2x= 14
x=7