Sagot :
[tex]7x-2y > 8\\\\-2y > -7x+8\ \ \ /:(-2) < 0\ then\ change\ " > "\ to\ " < "\\\\y < 3.5x-4[/tex]
[tex] 7x-2y>8\\
-2y>-7x+8\\
y<\frac{7}{2}x-4\\\\
\hbox{ or }\\\\
7x>2y+8\\
x>\frac{2}{7}y+\frac{8}{7}[/tex]