7x−1224x+79\frac{7 x-12}{24 x+79}24x+797x−12
9x−46x+7\frac{9 x-4}{6 x+7}6x+79x−4
x−1021x+80\frac{x-10}{21 x+80}21x+80x−10
7x+624x+79\frac{7 x+6}{24 x+79}24x+797x+6