`38,23 + x : 2,5 = 42,76`
`=> x : 2,5 = 42,76 - 38,23`
`=> x : 2,5 =4,53`
`=> x = 4,53` x `2,5`
`=> x = 11,325`
Vậy `x = 11,325`
38,23+x:2,5=42,76
=>x:2,5=42,76-38,23=4,53
=>\(x=4,53\times2,5=11,325\)
38,23 + x : 2,5 = 42,76
➩x : 2,5 = 42,76 - 38,23
➩x : 2,5 = 4,53
➩x = 4,53 . 2,5
➩x = 11,325