\(\frac{37-x}{3}=\frac{x-13}{7}\)
\(\Rightarrow7\left(37-x\right)=3\left(x-13\right)\)
\(\Leftrightarrow259-7x=3x-39\)
\(\Leftrightarrow259+39=3x+7x\)
\(\Leftrightarrow298=10x\)
\(\Leftrightarrow x=29.8\)
\(\frac{37-x}{3}=\frac{x-13}{7}\)
\(\Rightarrow7\left(37-x\right)=3\left(x-13\right)\)
\(\Rightarrow259-7x=3x-39\)
\(\Rightarrow259+39=3x+7x\)
\(\Rightarrow298=10x\)
\(\Rightarrow x=\frac{298}{10}=\frac{149}{5}\)
7(37-x) = 3(x-13)
<=> 259 - 7x = 3x -39
<=> 10x = 298
<=> x=\(\frac{298}{10}\)
<=> x = \(\frac{149}{5}\)
\(\frac{37-x}{3}=\frac{x-13}{7}\)
\(\Leftrightarrow\left(37-x\right).7=\left(x-13\right).3\)
\(\Rightarrow259-7x=3x-39\)
\(10x=298\Rightarrow x=29.8\)
