Question

Pls help :( I need the factored equation and i need the answer for -3·x=b

i dont know what x is

it should be 1/3 but it isnt working-

i added my teachers feedback too-

Answer 1

the top one would be 4 and the bottem would be 20

Explanation:

i found the same question in my o9ld math book and thats what i put