` color{#e6f0ff}{@}color{#c7ddff}{Pe}color{#99c2ff}{ng}color{#66a3ff}{u}color{#3385ff}{i}color{#0066ff}{nS}color{#0044cc}{ka}color{#002d80}{te}color{#001b4d}{r}color{#000a1a}{@} `

` 15 / ( x - 2 ) + 132 = 326 `

` 15 / ( x - 2 ) = 326 - 132 `

` 15 / ( x - 2 ) = 194 `

` x - 2 = 15 : 194 `

` x - 2 = 15 / 194 `

` x = 15 / 194 + 2 `

` x = 15 / 194 + 388 / 194 `

` x = 403 / 194 `

Vậy ` : x = 403 / 194 `