Help im struggling and its due tommorow need help fast figure out these 2 questions Show work Please NO LInks Dont answer if your not gonna do it please.

Answer:
28. x = 3 31. x = -3
Step-by-step explanation:
4x=12
divide both sides by 4
4x/4 = 12/ 4
x = 3
x/-3 = 1
multiply both sides by -3
x/-3 (-3) = 1 (-3)
simplify both sides
x = -3