_ dấu đó có nghĩa laf gì vậy bạn
x+278=5896-202
x+278=3694
x=3694-278
x=3416
\(5896-x+278=202\)
\(x+278=5896-202\)
\(x+278=3694\)
\(x=3694-278\)
\(x=3416\)
Vậy \(x=3416\)
5896 - x + 278 = 202
x + 278 = 5896 - 202
x + 278 = 3694
x = 3694 - 278
x = 3416
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