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3{- e - 2[- 3 + 4e - 4 - 2e - 4]} = 36 Resolver los [ ] reduciendo terminos semejantes
3{- e - 2 [ 4e - 2e - 3 - 4 - 4]} = 36
3{- e - 2 [ 2e - 11]} = 36 resolver 2[ ] aplicando propiedad distributiva.
3{- e - 4e + 22} = 36 Aplicar propiedad distributiva
- 3e - 12e + 66 = 36 Juntar terminos semejantes
- 15e = 36 - 66
- 15e = - 30 Despejar e
e = - 30/- 15 apliar la ley de los signos para la division
e = 2
Comprobacion
3 {-2 -2[-3 + 4(2 - 1) -2(2 + 2)]} = 36
3 {-2 -2[-2*4 -3 + 4 * 1]} = 36
3 {-2 -2 (-8 + 4 -3)] = 36
3 {-2 -2 (-7)] = 36
3 {-2 + 14} = 36
3 { 12 } = 36
36 = 36