Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:
Given Equation:
Equation:1
Equation:2
Dividing Equation:2 by '3' both the sides:
or
Equation:3
Putting the vale of 'x' in Equation:1


Subtracting '3' both sides



Putting value of 'y' in Equation:3


The solution of the equations is :

So column A needs to all be the same multiples of 4 so 4•3 is 12 and so other multiples need to be placed
Well this factor has to the answer b.) hope I helped.