xint is where the line crosses the x axis or where y=0
yint is where the line crosses the y axis or where x=0
set the other one to 0 to solve for that one
xint
set y=0 and solve
3x+0=24
3x=24
x=8
(8,0) is xint
ying,
set x=0 and solve
0+2y=24
2y=24
y=12
(0,12) is yint
xint: (8,0)
yint: (0,12)