Question

Solve the following equation:

${\displaystyle \frac{\text{x}-8}{5}=\frac{\text{x}-12}{9}}$

Answer 1

⇒ 9(x - 8) = 5(x - 12) ...(by cross multiplying)

⇒ 9x - 72 = 5x - 60

⇒ 9x - 5x = -60 + 72

⇒ 4x = 12

⇒ x = ${\displaystyle \frac{12}{4}}$

⇒ x = 3