Решите уравнение2*(х-8)=х+13
2х-16 = х + 13
2х - х = 13 + 16
х = 29
Проверка:
2*(29-8) = 29 + 13
58 - 16 = 42
42 = 42
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2х-16 = х + 13
2х - х = 13 + 16
х = 29
Проверка:
2*(29-8) = 29 + 13
58 - 16 = 42
42 = 42