Question

The value of x, if 9/15 = –x/20 is

Answer 1

Answer:

$\frac{9}{15} = - \frac{x}{20} \\ \frac{9}{15} \times 20 = - x \\ \frac{9}{3} \times 4 = - x \\ 3 \times 4 = - x \\ 12 = - x \\ x = - 12$