Tìm số nguyên x , biết: x + 15/6 = 12/8 .
Giải thích
\(\frac{{x + 15}}{6} = \frac{{12}}{8}\)
Suy ra: \(8\left( {x + 15} \right) = 72\)
\(\begin{array}{l}x + 15 = 72:8\\x + 15 = 9\\x = 9 - 15\\x = - 6\end{array}\)
Vậy \[x = - 6\].
\(\frac{{x + 15}}{6} = \frac{{12}}{8}\)
Suy ra: \(8\left( {x + 15} \right) = 72\)
\(\begin{array}{l}x + 15 = 72:8\\x + 15 = 9\\x = 9 - 15\\x = - 6\end{array}\)
Vậy \[x = - 6\].