Find the value of x? WILL MARK BRAINLIST FOR CORRECT ANSWER

for big triangle 8^2+16^2+y^2=x^2+8^2+16x

from small triangle y^2=x^2+16^2

put y in 1st eq and solve u get x=32

For number 20: -26, -17, 0, 3, 15

For number 21: -16, -13, -8, 7, 9

For number 22: -54, -41, -33, 20, 48

Tip: Remember that the negatives are always last! It is the least of the numbers after all.