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4x - 7x + 5 = 2 - 4(3x + 1)
4x - 7x + 5 = 2 - 12x - 4
- 3x + 5 = - 12x + 2 - 4
- 3x + 5 = - 12x - 2
- 3x + 12x = - 2 - 5
9x = - 7
x = - 7/9
Respuesta.
x = - 7/9
4x - 7x + 5 = 2 - 4 (3x + 1)
- 3x + 5 = 2 - 12x - 4
- 3x + 12x = 2 - 4 - 5
9x = - 7
x = → respuesta