Which of the following equations could be the result of using the comparison method to solve the system shown?

x + 2y = 6
x - 4y = 8

Question

Which of the following equations could be the result of using the comparison method to solve the system shown?

x + 2y = 6
x - 4y = 8

anonymous · Answer

I notice that the 1st equation has 6y more than the 2nd equation on the left side and 2 less on the right side.
So 6y = -2
I don't know if that's officially called the "comparison method"..but I did compare the 2 to get that.

anonymous · Answer

sorry bangkokgarret i forgot to mention its multiple choice... so i re wrote the question if you could take another look because im stumped