Răspuns:
[tex][0,375+(x-0,3)*5/2]:6,(3)=0,125\\\\[/tex]
[375/1000+(x-3/10)*5/2]:(63-6)/9 =(125/1000)⁽¹²⁵
(375/1000)⁽²⁵+(x-3/10)*5/2=1/8*57/9
15/40+(x-3/10)*5/2=19/3
15/40+(x-3/10)=19/3:5/2
15/40+(x-3/10)=19/3*2/5
x-3/10=38/15
x=²⁾38/15+³⁾3/10
x=(76+9)/30
x=85/30=17/6