Question

Допоможіть! Даю 70 балів. x-9/16 x=5 1/4.

Answer 1

$\frac{x - 9}{16x} = 5 \frac{1}{4} \\ \frac{x - 9}{16x} = \frac{21}{4} \\ 21 \times 16x = 4(x - 9) \\ 336x = 4x - 36 \\ 336x - 4x = - 36 \\ 332x = - 36 \\ x = - \frac{36}{332} \\ x = - \frac{9}{83}$