Select the equation in which the graph of the line has a negative slope and the y-intercept equals 10.
A.10x+5y=-25
B.5x-10y=-12
C.20x+5y=50
D.2x+6y=10
A.10x+5y=-25
B.5x-10y=-12
C.20x+5y=50
D.2x+6y=10