The answer is 24/10 or 12/5
x = 32
Explanation : To answer this you want to get the x by itself. Subtract 4 from 20 which would make the equation 1/2x = 16. Next, divide 1/2 by 1/2x and 16. 1/2 and 1/2 cancel each other out and 1/2 divided by 16 is 32 hence x = 32.
Sorry dude! I don’t know this one but goodluck
Congruent........................