Multiple choice

Find the value of x in $\frac{2x + 4}{x+ 5} = 7$.

  1. x = $\frac{-39}{9}$
  2. x = $\frac{-1}{2}$
  3. x = $\frac{-31}{5}$
  4. x = $\frac{39}{9}$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

$\frac{2x + 4}{x+ 5} = 7$             2x + 4 = 7 (x + 5)             2x + 4 = 7x + 35             2x – 7x = 35 – 4             – 5x = 31 $\therefore$        x =$\frac{-31}{5}$