C and D are out, because you want integers.
multiply by 3 and your equation becomes
3y+18 = x-3
Now finish it off.
Y+6=1/3(x-3) into standard form
A- x-3y=21
B- x+3y=9
C-1/3x+y=-9
D-1/3x-y=-12
1 answer
A- x-3y=21
B- x+3y=9
C-1/3x+y=-9
D-1/3x-y=-12
1 answer