The inequality is 3y-2x=13
As shown in the attached graph, the shadow area is the inequality includes points (-2,3), (1,5) and not containing the points (-1,2)(4,4).
( The basic property of inequality :
when x = -1, y = 2, 3y-2x= 8 <13
when x=4, y=4, 3y-2x= 4 <13 )
Hope it helps