thomasjordynn80 thomasjordynn80 18-12-2020 Mathematics contestada 12-2 one step equations N + 3 = -5 N - 4 = 9 4 + N = 10 -10 + N = 3 N - 10 = 1 -11 + N = -12 N + 19 = 20 15 + N = -10 N - 6 = -12 N + 4 = 16