[1] H 2.4
Let us turn the pictures into equations, using the key given. Then, we will solve.
x + x +
x + 1 + 1 + 1 = x + x + x +
x
2x +
x + 3 = 3x +
x
x + 3 =
x
3 =
x
x = 2.4
[2] J
We can tell the first two options are incorrect because there was a change in size, not position.
Option H would make the shape bigger, but it becomes larger. This means the answer is option J.