cierrakwoods1 cierrakwoods1 18-04-2019 Mathematics contestada Simplify a - {b - [c - (d - e) - f] - g}. a + b + c - d + e - f + g a - b + c - d + e - f + g a + b + c + d + e - f + g a - b + c - d + e + f - g