2 câu trả lời
`117- 5(x - 19) =52`
`⇔5(x-19) = 117 - 52`
`⇔5(x - 19)= 65`
`⇔x - 19 = 65 :5`
`⇔x - 19 = 13`
`⇔x =13 + 19
`⇔ x = 32`
`117- 5(x - 19) =52`
`⇔5(x-19) = 117 - 52`
`⇔5(x - 19)= 65`
`⇔x - 19 = 65 :5`
`⇔x - 19 = 13`
`⇔x =13 + 19
`⇔ x = 32`