Question

5/7 + x/35 = 4/5

Answer 1

3

Answer 2

x=3 em nhé

Answer 3

x = 3

Answer 4

\(\dfrac{5}{7}+\dfrac{x}{35}=\dfrac{4}{5}\)

<=>\(\dfrac{x}{35}=\dfrac{4}{5}-\dfrac{5}{7}=\dfrac{28-25}{35}=\dfrac{3}{35}\)

<=>x=3

Answer 5

3

Answer 6

x=3

Answer 7

\(\dfrac{x}{35}\)=\(\dfrac{4}{5}-\dfrac{5}{7}\)

\(\dfrac{x}{35}\)=\(\dfrac{3}{35}\)

Vậy x=3

Answer 8

x= 3 đó

Answer 9

\(\dfrac{5}{7}+\dfrac{x}{35}=\dfrac{4}{5}\)

\(\dfrac{25+x}{35}=\dfrac{28}{35}\)

\(25+x=28\)

      \(x=28-25\)

      \(x=3\)