Реши задание на изображении

а) \(\displaystyle \frac{a(x-2y)}{b(2y-x)}=-\frac ab\)

б) \(\displaystyle \frac{5x(x-y)}{x^2(y-x)}=-\frac5x\)

в) \(\displaystyle \frac{3(a-12)}{b(12-a)}=-\frac3b\)

г) \(\displaystyle \frac{7b(1-2b)}{21b(2b-1)}=-\frac13\)

д) \(\displaystyle \frac{(5-a)(5+a)}{3(a-5)}=-\frac{a+5}{3}\)

е) \(\displaystyle \frac{-3(x-1)}{(x-1)^2}=-\frac3{x-1}\)

ж) \(\displaystyle \frac{8(b-a)(b+a)}{(b-a)^2}=\frac{8(a+b)}{b-a}\)

з) \(\displaystyle \frac{(b-2)^3}{(2-b)^2}=b-2\)