Question

x/-9=7/6+[-15/18]  giúp mik với

Answer 1

\(-\frac{x}{9}=\frac{7}{6}-\frac{15}{18}\)

\(-\frac{x}{9}=\frac{1}{3}\)

=> x=-3

Answer 2

\(\frac{x}{-9}=\frac{7}{6}+\frac{-15}{18}\)

\(=\frac{-x}{9}=\frac{1}{3}\)\(=\frac{3}{9}\)

\(\Rightarrow-x=3\)

\(\Rightarrow x=-3\)

Vậy x=-3