Answer:
There is no error
Step-by-step explanation:
While it is not necessary to guess an answer, because the answer can be calculated using the properties of equality, guessing is a legitimate solution method actually taught in (some) schools these days.*
The equation is properly written, data properly filled in, and the solution properly verified. There is no error.
_____
* What doesn't seem to be taught in US schools are methods of refining an incorrect guess. These are actually well-developed, and are legitimate ways to get to a good answer.
I had 12 pencils my friend took 8 how many do I have now
Im not sure if this is correct but x=4 double roots
This is a square with area 36 in^2
So dimensions are 6 * 6 ins and perimeter = 24 ins.
