Найди неизвестное число.

m•47+200=1328

6300-n:12=5470

884:26+p=1600

(1908+r):25=80

m*47 + 200 = 1328m*47 = 1328-200m = 1128 : 47m= 246300 - n:12 = 5470n:12 = 6300 - 5470n = 830*12n= 9960884:26 + p = 1600p = 1600 - 884:26p = 1566(1908 + r) : 25 = 801908 + r = 80 * 25r = 2000 - 1908r = 92