Manuela solved the equation below. 2 (x + 2) = x minus 4

What is the solution to Manuela’s equation?
–8
0
no solution
infinitely many solutions

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.