Question

4(3x -4) +23= 12 o final fica 5/12

Answer 1

12x - 16 + 23 = 12
12x + 7 = 12
12x = 12 -7 
12x = 5
x = $\frac{5}{12}$

Answer 2

$4(3x -4) +23= 12\to \\\\ 12x-16+23=12\to \\\\ 12x=12+16-23\to \\\\12x=5\to \\\\ x= \frac{5}{12}$