Question

решите уравнение (3 12*х-14)*8=3

Answer 1

3 1/2=3,5 ;0,25=1/4
(3,5х-0,25)*8=3
3,5х-0,25=0,375
3,5х=0,625
х=625/1000:35/10
х=625/1000*10/35
x=5/28