m = $$\frac{-7}{5}$$

m > $$\frac{7}{5}$$

m < $$\frac{7}{-5}$$

m $$\le\frac{-7}{5}$$

x > y

x < y

x = y

m > $$\frac{5}{3}$$

m < $$\frac{5}{3}$$

m $$\ge$$ $$\frac{5}{3}$$

m = $$\frac{5}{3}$$

$$\angle F=45\degree$$

$$\angle F=24\degree$$

$$\angle F=60\degree$$

$$\angle F=70\degree$$

$$x=\frac{7}{2};\ y=\frac{2}{37}$$

$$x=\frac{7}{2};\ y=\frac{-37}{2}$$

$$x=\frac{37}{2};\ y=\frac{7}{2}$$

$$x=\frac{7}{2};\ y=\frac{37}{2}$$

m < 3

m = 3

m > -3

m $$\le-3$$

$$x=\frac{9}{10};\ x=\frac{21}{10}$$

$$x=\frac{-9}{10};\ x=\frac{21}{10}$$

$$x=\frac{-9}{10};\ x=\frac{-21}{10}$$

$$x=\frac{9}{10};\ x=\frac{10}{-21}$$

$$\angle P=90\degree$$

$$\angle P=80\degree$$

$$\angle P=70\degree$$

$$\angle P=100\degree$$

x > y

x = y

x < y

Phương trình vô nghiệm

$$x=\frac{18}{7};\ x=\frac{24}{7}$$

$$x=\frac{-18}{7};\ x=\frac{24}{7}$$

$$x=\frac{-24}{7};\ x=\frac{8}{7}$$

x = -15; x = 3

x = 15; x = 3

x = -15; x = -3

x = 15; x = -3

x = 51; y = 9

x = -51; y = 9

x = 9; y = 51

x = 51; y = -9

BM=CP

$$\Delta BMN=\Delta AMN$$

$$\Delta NAM=\Delta NCP$$

AM//CP

$$x=120\degree;\ y=20\degree$$

$$x=110\degree;\ y=30\degree$$

$$x=35\degree;\ y=105\degree$$