which one??

7x - 3y = 4
2x - 4y = 1

Which of the following systems is not the same as solving the system shown?

28x - 12y = 16 and -6x + 12y = -3
14x - 6y = 4 and -14x + 28y = 1
-28x + 12y = -16 and 28x - 56y = 14

Question

which one??

7x - 3y = 4
2x - 4y = 1

Which of the following systems is not the same as solving the system shown?


28x - 12y = 16 and -6x + 12y = -3
14x - 6y = 4 and -14x + 28y = 1
-28x + 12y = -16 and 28x - 56y = 14

unklerhaukus · Answer

if you multiply one of the equations in the original system by a number it should be equivalent to one of the equations in the new system

unklerhaukus · Answer

remember to multiply both sides of the equation by the same number