Question

Số x thỏa mãn x + -11/5 = -1/5 là số

Answer 1

2

Answer 2

\(x+\dfrac{-11}{5}=\dfrac{-1}{5}\\ \Rightarrow x=\dfrac{-1}{5}-\dfrac{-11}{5}\\ \Rightarrow x=\dfrac{10}{5}\\ \Rightarrow x=2\)

Answer 3

\(x+-\dfrac{11}{5}=-\dfrac{1}{5}\)

\(\Leftrightarrow x=-\dfrac{1}{5}+\dfrac{11}{5}\)

\(\Leftrightarrow x=\dfrac{10}{5}=2\)

Answer 4

2

Answer 5

thank you cả nhà