What property is
“if a = b then ac = bc

Can someone explain the elimination method to me for this problem?

Quadrilateral ghjk has vertices g(2, 3), h(8, 2), j(6, 8), and k(3, 6). it is transformed according to the rule t(–4, –5). what are the coordinates of g”? (–7, 3) (–2, 2) (–1, –7) (2, –2)

Graph the equationy= x+3[tex]y = x + 3[/tex]