Question

x:13,3-x;6,8=19,5

Answer 1

x:13,3-x:6,8=19,5

x:(13,3-6,8)=19,5

x:6,5=19,5

x=19,5.6,5

x=126,75

Answer 2

x : 13.3 - x : 6.8 = 19.5

x                        = 19.5 : ( 13.3 - 6.8 )

x                        = 19.5 : 6.5

x                        = 3

Answer 3

\(x:13,3-x:6,8=19,5\)

\(\Rightarrow x:\left(13,3-6,8\right)=19,5\)

\(\Rightarrow x:6,5=19,5\)

\(\Rightarrow x=19,5.6,5\)

\(\Rightarrow x=126,75\)

Vậy x = 126,75

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