144 : ( 8 . x - 76 ) = 36 yêu cầu làm rõ ràng các bước , ngắn gọn

$\text{*Ta có:144:(8x-76)=36}$

$\text{=>(8x-76)=144:36}$

$\Rightarrow$`\text{8x-76=4}`

$\Rightarrow$`\text{8x=76+4}`

$\Rightarrow$$\text{8x=80}$

$\Rightarrow$$\text{x=80:8}$

$\Rightarrow$$\text{x=10}$

$\text{KL:Vậy:x=10}$

$\text{#Trang}$