Question

Ecuacion x-[3+2(6-2x)]=2(2x-5)

Answer 1

x - [3 + 2 (6 - 2x)]= 2(2x - 5) 

x - (3 + 12 - 4x) = 4x - 10

x - 3 - 12 + 4x = 4x - 10

x + 4x - 4x = -10 + 3 + 12

x = 5

Answer 2

$[ 3 + 2 ( 6 - 2x )] = 2 (2x - 5 )$

  $[ 3 + 12 - 4x ] = 4x - 10$

        $[15 - 4x ] = 4x - 10$

          $15 - 10 = 4x - 4x$

                  $\boxed{5 = x}$