Question

86.5 - x : 8.6 + 9 .3 = 13.9

Answer 1

\(86,5-x:8,6+9,3=13,9\)

\(x:8,6+9,3=86,5-13,9\)

\(x:8,6+9,3=72,6\)

\(x:8,6=72,6.8,6\)

\(x:8,6=624,36\)

\(x=642,36.8,6\)

\(\Rightarrow x=...\)