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x - 6x = - 2 - 9/6
- 5x = (- 2 * 6 - 9)/6
- 5x = ( - 12 - 9)6
- 5x = - 21/6
x = -21/6/-5/1
x = -21/-30
x = 7/10
Solución :
x = 7/10