27. The diagonals of a rectangle have lengths AC = 4 + 2x and BD = 6x - 20. Find the value of x

Answer:
6
Step-by-step explanation:
Diagonals of a rectangle are congruent
4 + 2x = 6x -20 Add 20 both sides. Subtract 2x both sides
24 = 4x
x = 6