2a+2b=10, a+b=5
a+b+d(diagonal)=8, 5+d=8, d=3(diagonal BD=3)
In a rectangle diagonals are equal.
2x-14=x+8
2x-x=8+14
x=22
so correct answer is option B, x=22
Answer:

Un-formatted answer:
2^x - 3
Step-by-step explanation:

Answer:
10
Step-by-step explanation:
The side to the right is 15. The side to the left is 5. You can subtract these two to find the length.