Someone help me please! i will reward brainliest! this is geometry​

What value of x is in the solution set of 4x – 12 s 16 + 8x?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

X+ y = 5 ; x - y =3 solve using linear combination