Question

1. Tìm x, biết

a.12/35 - x/5 = 1/7

 

 

Answer 1

\(\frac{12}{35}-\frac{x}{5}=\frac{1}{7}\)

\(\Rightarrow\frac{x}{5}=\frac{12}{35}-\frac{1}{7}\)

\(\Rightarrow\frac{x}{5}=\frac{12}{35}-\frac{5}{35}\)

\(\Rightarrow\frac{x}{5}=\frac{7}{35}\)

\(\Rightarrow\frac{x}{5}=\frac{1}{5}\Rightarrow x=1\)

Answer 2

12/35 -1/7 =x/5

12/35 -5/35=x/5

7/35 =x/5

1/5=x/5

x=1

Answer 3

25/12

Answer 4

\(\frac{12}{35}-\frac{x}{5}=\frac{1}{7}\)

\(\frac{x}{5}=\frac{12}{35}-\frac{1}{7}=\frac{1}{5}\)

vậy x =1

Answer 5

\(x=1\)

K mk nha Lê Mai Huyền