Question

Solve for x in the following equation:

$x=\frac{2}{5}(x+9)$

• A. $x=9$
• B. $x=6$
• C. $x=5$
• D. $x=4$

Answer 1

The correct option is B

$x=6$

$\frac{x}{1}=\frac{2}{5}(x+9)$

Cross multiply,

$5x=2(x+9)$

$5x=2x+18$

$3x=18$

$x=\frac{18}{3}$

$x=6$