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x + 2 = 16 - [4 - (5x - 6)]
x + 2 = 16 - [4 - 5x + 6]
x + 2 = 16 - [4 + 6 - 5x]
x + 2 = 16 - [10 - 5x]
x + 2 16 - 10 + 5x
x + 2 = 26 + 5x
2 - 26 = 5x - x
- 24 = 4x
- 24/4 = x
- 6 = x
Respuesta.
- 6
X+2=16-4+5X-6
16-4+5X-6-X-2
16-4-6-2=4
5X-1X=4X
=4+4X