3y - 12x = 20
3y = 20 + 12x
y = (20/3) + 4x
Answer:
4th one
Step-by-step explanation:
a^-2 goes down and become a^2 and

b^-1 goes up and become b

that why answer is 4th...mark me brainliest please
Answer:
1,2,5
Step-by-step explanation:
Answer:
A is not 3, 7
Step-by-step explanation:because it isint
is the same as 
Dividing by 3 is the same as multiplying by the fraction 1/3