1) x + 287 = 486 2) x : 11 = 22033 3) 403 - x = 265
x = 486 - 287 x = 22033 * 11 x = 403 - 265
x = 199 x = 242363 x = 138
199 + 287 = 486 242363 : 11 = 22033 403 - 138 = 265
4) 725 : x = 29 5) x - 288 = 513 6) 47 * x = 4700
x = 725 : 29 x = 513 + 288 x = 4700 : 47
x = 25 x = 801 x = 100
725 : 25 = 29 801 - 288 = 513 47 * 100 = 4700