Question

Tìm x biết: \(\frac{x+10}{27}=\frac{x}{9}\)

Answer 1

x+10 = 3x

x=5

Answer 2

\(\frac{x+10}{27}=\frac{x}{9}\)

\(\frac{x+10}{27}=\frac{3x}{27}\)

=>x+10=3x

10=3x-x

10=2x

x=10:2

x=5

Answer 3

\(\frac{x+10}{27}=\frac{x}{9}\)

=> \(\frac{x+10}{27}=\frac{x\cdot3}{27}\)

=> \(x+10=x\cdot3\)

Rồi bạn tự làm nhé ?

Answer 4

x/9 = x3/27

x = 5