Question

Tìm X :

14 x X + X x 26 = 25

 

Answer 1

\(14x+26x=25\)

\(\Leftrightarrow x\left(14+26\right)=25\)

\(\Leftrightarrow40x=25\)

\(\Leftrightarrow x=\frac{25}{40}\)

\(\Leftrightarrow x=\frac{5}{8}\)

Answer 2

\(14x+26x=25\)

\(\Rightarrow40x=25\)

\(\Rightarrow x=\frac{25}{40}\)

\(\Rightarrow\frac{5}{8}\)

Answer 3

X x (14+26) = 25

X x 40 = 25

X = 25 : 40

X = 25/40 hoac 0.625