x+8418=415-55

2 câu trả lời

`x+8418=415-55`

`⇒x+8418=360`

`⇒x=360-8418`

`⇒x=-8058`

 

`x + 8418 = 415 - 55`

`x + 8418 = 360`

`x = 360 - 8418`

`x = -8058`

$\text{Vậy}$ `x = -8058`