Question

12[3x-5]=20 комектесдершы

Answer 1

12(3х-5)=20
36х-60=20
36х=20+60
36х=80
x=2,2

Answer 2

It seems like you've provided an equation, but it's not clear what you want to know or do with it. The equation you've written is:

12[3x - 5] = 20

If you have a specific question or if you'd like me to solve the equation for a variable, please let me know which variable you want to solve for (e.g., solving for x) or what you'd like to do with the equation.