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-6w -12 +5 = 4w -3
-7 + 3 = 4w + 6w
-4 = 10w
-4/10 = w
-2/5 = w
6 ( - w - 2) + 5 = 4w - 3
- 6w - 12 + 5 = 4w - 3
- 6w - 7 = 4w - 3
- 7 + 3 = 4w + 6w
- 4 = 10w
- 4/10 = w Simplificas sacas mitad
(- 4/2)/(10/2) = w
- 2/5 = w
Respuesta.
w = - 2/5