1 способ253 - (x - 459) = 13253 - x + 459 = 13459 - x = 138 - 25459 - x = -11-x = -57x = 574
2 способ253 - (x - 459) = 13253 - x + 459 = 13-x = 138 - 459 - 25-x = -57x = 574
Ответ: x = 574.
1 способ
253 - (x - 459) = 13
253 - x + 459 = 13
459 - x = 138 - 25
459 - x = -11
-x = -57
x = 574
2 способ
253 - (x - 459) = 13
253 - x + 459 = 13
-x = 138 - 459 - 25
-x = -57
x = 574
Ответ: x = 574.