помогите решить уравнения 6m+m-35=21 17n+14n-145=134 5n+9n+32=200

6m + m - 35 = 217m = 21 + 357m = 56m = 56 : 7m = 817n + 14n - 145 = 13431n = 134 + 14531n = 279n = 279 : 31n = 95n + 9n + 32 = 20014n = 200 - 3214n = 168n = 168 : 14n = 12