Question

(87.58-x) : 2.8 = 12.35

Answer 1

`(87,58-x):2,8=12,35`

`87,58-x=12,35xx2,8`

`87,58-x=34,58`

`x=87,58-34,58`

`x=53`

Vậy `x=53`

Answer 2

= ( 87.58 - \(x\) ) = 12.35 x 2.8

= ( 87.58 - \(x\) ) = 34.58

= \(x\) = 87.58 - 34.58 = 53