Answer:
I would like to say A because Diagonals of a rectangle Bisect each other at a right angle.
This seems likely
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Step-by-step explanation:
Step 1: 12x-6= 1
step 2:12x=7
5x-1= 26
5x-1+1= 26+1
5x= 27
Divide by 5 for 5x and 27
5x/5= 27/5
x= 27/5
Answer is x= 27/5 - A)