Question

[Lê Thùy Trang]

tim so huu ti trong ti le thuc

\(\frac{37-x}{x+13}\)\(\)=\(\frac{3}{7}\)

Answer 1

[Dương Lam Hàng]

Ta có: \(\frac{37-x}{x+13}=\frac{3}{7}\)

\(\Rightarrow7.\left(37-x\right)=3.\left(x+13\right)\)

\(\Rightarrow259-7x=3x+39\)

\(\Rightarrow259-39=7x+3x\)

\(\Rightarrow220=10x\)

\(\Rightarrow x=220:10=22\)

Vậy x = 22

Answer 2

[Vu THi Huyen]

x=22 nha