Question

Hxfdhxgfxhfhdzhzdbfhsdhsdbsd

Answer 1

After solving, Your Final Answer will be 10

Answer 2

Here, as triangles are equal, their ratio would be equal.
8/x+4 = 12 /2x+1
8(2x+1) = 12(x+4)
16x+8 = 12x + 48
16x-12x = 48 - 8
4x = 40
x = 10

Hope this helps!