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determinati numarul rational x din egalitatea [0,375+(x-0,3)x5/2]:6,(3)=0,125

Răspuns :

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