Question

Tìm x;

\(\frac{x+4}{12}=\frac{3}{9}\)

Answer 1

\(\frac{x+4}{12}=\frac{3}{9}\)

\(\Leftrightarrow\frac{x+4}{12}=\frac{1}{3}\)

\(\Leftrightarrow3\left(x+4\right)=12\)

\(\Leftrightarrow3x+12=12\)

\(\Leftrightarrow3x=0\)

\(\Leftrightarrow x=0\)

Answer 2

\(\Rightarrow9\left(x+4\right)=3.12\)

\(\Rightarrow9x+36=36\)

\(\Rightarrow9x=0\)

\(\Rightarrow x=0\)

Answer 3

\(\frac{x+4}{12}=\frac{3}{9}\)

\(\Leftrightarrow\left(x+4\right)9=36\)

\(\Leftrightarrow9x+36=36\)

\(\Leftrightarrow9x=0\)

\(\Leftrightarrow x=0\)

Answer 4

Ta có: \(\frac{x+4}{12}=\frac{3}{9}\)

\(\Leftrightarrow9\left(x+4\right)=12.3\)

\(\Leftrightarrow9x+36=36\)

\(\Leftrightarrow9x=36-36\)

\(\Leftrightarrow9x=0\)

\(\Leftrightarrow x=0\)

hok tốt!!!

Answer 5

Trả lời:

\(\frac{x+4}{12}=\frac{3}{9}\)

\(\Leftrightarrow9x+36=36\)

\(\Leftrightarrow9x=0\)

\(\Leftrightarrow x=0\)

Vậy\(x=0\)

Hok tốt!

Vuong Dong Yet

Answer 6

\(\frac{x+4}{12}=\frac{3}{9}\)

\(\Leftrightarrow\left(x+4\right).9=3.12\)

\(\Leftrightarrow\left(x+4\right).9=36\)

\(\Leftrightarrow x+4=36:9\)

\(\Leftrightarrow x+4=4\)

\(\Leftrightarrow x=0\)