Question

14:((0,4х+0.16):х)+5=12

Answer 1

14х / (0,4х + 0,16) = 12-5
14х = 7*(0,4х + 0,16)
14х = 2,8х + 1,12
14х - 2,8х = 1,12
11,2х = 1,12
х = 1,12:11,2
х = 0,1

Answer 2

х=0,1