Question

Aflati numarul x din proportia: x+9/12=8x/3
Dau coroana!!!

Answer 1

$\frac{x+9}{12}=\frac{8x}{3} \\ 3(x+9)=12 \cdot 8x \\ 3x+27=96x \\ 27=96x-3x \\ 93x=27 \\ x=\frac{27}{93} \\ \Rightarrow \boxed{\bold{x \approx 0,3}}$

Answer 2

x+9/12=8x/3
⇒12*8x=3(x+9)
3x+27=96x
3x-96x= -27
- 93x=-27 
x=27/93